Items in the subject area " Farming Systems > Farm nutrient management"

A

Acikgoz, Prof. Dr. Nazimi and Ilker, Dr. Emre (2006) Cereal breeding strategies for organic and low-external-input crop production systems. Joint Organic Congress, Odense, Denmark, May 30-31, 2006. ^**

Ambus, Per (2007) Økologisk bioenergi og drivhusgasser. [Organic bioenergy and greenhouse gases.] In: Økologisk Jordbrug, November 2007.

Anders, Johansen (2007) Økologisk bioenergi og jordkvalitet. [Organic bioenergy and soil quality.] In: Økologisk Jordbrug, November 2007.

Anon, (2002) Modelling manure NPK flows in organic farming systems to minimise nitrate leaching, ammonia volatilization and nitrous oxide emissions (OF0197).

B

Baker, B. and Tracy, D. (2008) Elemental Contaminants in Fertilizers and Soil Amendments Used in Organic Production. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Bakken, Anne Kjersti; Breland, Tor Arvid; Haraldsen, Trond K.; Aamlid, Trygve S. and Sveistrup, Tore E. (2005) Soil fertility in three cropping systems after conversion from conventional to organic farming. Acta Agriculturae Scandinavica Section B-Soil and Plant Science. [ In Press , March 2005]

Bakken, Anne Kjersti; Hansen, Sissel; Strøm, Turid and Steinshamn, Håvard (2006) Sulphur supply: a limiting factor in organic roughage-based livestock production? Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Benincasa, Dr Paolo; Tosti, Dr Giacomo; Boldrini, Dr Arianna; Tei, Prof Francesco and Guiducci, Prof Marcello (2008) Poliennal results on soil N management and maize N nutrition by green manuring. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Bleken, Marina Azzaroli; Steinshamn, Håvard and Hansen, Sissel (2005) High Nitrogen Costs of Dairy Production in Europe: Worsened by Intensification. Ambio, 34 (8), pp. 598-606.

Boldrini, Arianna; Benincasa, Paolo; Tosti, Giacomo; Tei, Francesco and Guiducci, Marcello (2007) Apparent N Balance in Organic and Conventional Low Input Cropping Systems. 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

Brandt, Kirsten (2005) Agronomy as a manipulative tool. COST 926 Conference; EUROPEAN WORKSHOP on Improving the health value of plant foods - phytochemical optimisation, Egmond aan Zee, The Netherland, 12 - 13 October 2005. ^**

Briggs, Stephen (2008) Nitrogen Supply and Management in Organic Farming.

C

Canali, Stefano (2005) Il ruolo della fertirrigazione in agricoltura biologica. [The ferti-irrigation role in organic farming.] www.phytomagazine.com, Speciale fertirrigazione ( 10), pp. 79-84.

Canali, Stefano (2003) Soil quality of organically managed citrus orchards in the Mediterranean area. In: Organic Agriculture: Sustainability, Markets and Policies. OECD, CABI Publishing, Wallingford, UK, chapter 2, pp. 115-125.

Canali, Dr. Stefano; Riva, Dr. Francesco and Dell'Orco, Dr. Silvia (2005) Criteri di ammissibilità e di utilizzo degli effluenti di allevamento e dei concimi ed ammendanti derivati in agricoltura biologica. [Utilisation and admissibility criteria of animal effluents and derived fertilisers and soil conditioners in organic farming.] MINISTERO DELLE POLITICHE AGRICOLE E FORESTALI Progetto di ricerca La zootecnia biologica in Italia: situazioni attuali e prospettive. Tipologie d'imprese, trasformazioni necessarie e possibili, incentivi pubblici e di mercato, domanda di ricerca., no.8, CRA - Istituto Sperimentale per la Nutrizione delle Piante.

Carlsgart, M.Sc. Josefine (2008) Parasitter hæmmes i biogasanlæg. [Parasites are inhibited in biogas plants.] In: Økologisk Jordbrug, January 2008.

Carter, Mette S.; Albert, Kristian R. and Ambus, Prof. Per (2009) Is organic farming a mitigation option? – A study on N2O emission from winter wheat. International Scientific Congress on Climate Change, Copenhagen, Denmark, 10-12 March. [ Unpublished, ]

Carter, Mette S. and Chirinda, Ngonidzashe (2009) No effect of cropping system on the greenhouse gas N2O. ICROFS news, 2, pp. 9-10.

Christiansen, Julie S.; Kristensen, Hanne L. and Thorup-Kristensen, Kristian (2003) Rodsystemer hos rødbede, sukkermajs og knoldselleri efter grøngødning. [Root systems of beetroot, sweet corn and celleriac after green manure.] In: Forskningsnytt, 2003, pp. 20-21.

Colomb, B.; Desclaux, D.; Debaeke, P.; Justes, E. and Burger, P. (2004) Ability of new durum wheat pure lines to meet yield stability and quality requirements in low input and organic systems. Pc. 8th ESA Congress, Copenhague.

Coppola, F.; Haugaard-Nielsen, H.; Bastianoni, S. and Østergård, H. (2008) Sustainability assessment of wheat production using Emergy. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Cormack, Bill (2002) Testing the sustainability of stockless arable organic farming on a fertile soil (Extension to OF0 145).

Cormack, Dr W F (1998) Organic Arable Systems at ADAS Terrington OF0112. [ Unpublished, ]

Cormack, W. F. (2001) Testing the sustainability of stockless arable organic farming on a fertile soil (OF0145).

Cornish, P. S. (2007) Phosphorus Management on ‘Extensive' Organic Farms with Infertile Soils. 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

Cornish, Peter and Obersen, Astrid (2008) New Approaches to Phosphorus Regulation and Management. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Cuijpers, Ir. W.J.M.; van der Burgt, Ir. G.J.H.M. and Voogt, Dr. W. (2008) Nitrogen balances in Dutch organic greenhouse production. Cultivate the future; 16th IFOAM organic world congress, Modena, Italy, 16 - 20 June 2008. In: Conference proceedings.

Cuttle, Stephen P (2002) Nutrient budgets as a tool for researchers and farmers. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 153-156.

Cuttle, Dr Steve (2002) Influence of level of self-sufficiency on the nutrient budgets of an organic dairy farm (OF0180).

D

Dalgaard, Randi; Scmidt, Jannick; Halberg, Niels; Christensen, Per; Thrane, Mikkel and Pengue, Walter A. (2007) LCA of Soybean Meal. International Journal of LCA, 15, pp. 1-15.

David, Christophe; Jeuffroy, Marie-Hélène; Valentin Morison, Muriel and Herbain, Céline (2007) Improvement of the soil-crop model AZODYN under conventional, low-input and organic conditions. 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

Dawson, J.C.; Murphy, K.M. and Jones, S.S. (2008) Breeding for nitrogen use efficiency in organic wheat systems. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Doyle, Chris J and Topp, Cairistiona F E (2002) Potential economic gains from using forage legumes in organic livestock systems in northern Europe. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 195-196.

E

Eriksen, J. (2009) Græsproduktion og miljø på store økologiske kvægbrug. In: Økologisk Jordbrug 423, 2009.

Eriksen, J. (2008) Sådan findes den optimale balance mellem øko-græsproduktion og miljø. In: Landbrugavisen 49, 2. sektion Agro, 2008.

Eriksen, J.; Askegaard, M. and Søegaard, K. (2009) Kvælstofmanagement på store økologiske kvægbrug. In: Nyhedsbrev fra Internationalt Center for Forskning i Økologisk Jordbrug og Fødevaresystemer 2, 2009.

Eriksen, J.; Askegaard, M. and Søegaard, K. (2009) Nitrogen management on large organic dairy farms. In: Newsletter from the International Centre for Research in Organic Food Systems 2, 2009.

Eriksen, J.; Askegaard, M. and Søegaard, K. (2009) Productivity and N-leaching in organic dairy grass-arable crop rotations. Fostering healthy food systems through organic agriculture - Focus on Nordic Baltic Region, Tartu, Estonia, 25-27 August 2009. In: NJF Report 5 (2).

Eriksen, J.; Askegaard, M. and Søegaard, K. (2008) Residual effect and nitrate leaching in grass-arable rotations: Effect of grassland proportion, sward type and fertilizer history. Soil Use and manangement, 24.

Eriksen, J.; Søegaard, K. and Askegaard, M. (2009) Kløvergræs - management bestemmer udbyttet i din mark. Plantekongres 2009, Herning Kongres Center, 13-14 januar. In: Sammendrag af indlæg.

F

Fortune, S; Robinson, J S; Watson, C A; Philipps, L; Conway, J S and Stockdale, E A (2005) Response of organically managed grassland to available phosphorus and potassium in the soil and supplementary fertilization: field trials using grass– clover leys cut for silage. Soil use and Land Management, 21 (21), pp. 370-376.

Fowler, Susan M; Philipps, Lois and Watson, Christine A (2002) Carrot or stick? – Would information concerning the economic value of nutrient losses, and their impact on food quality achieve greater environmental protection than regulation? UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 133-136.

Frøseth, Randi Berland; Hansen, Sissel and Bakken, Anne Kjersti (2008) Contribution of N from frequently chopped green manure to a succeeding crop of barley. The second scientific conference of the international society of organic agriculture research (ISOFAR), Modena, italy, 18-20 June. In: Neuhoff, Daniel; Halberg, Niels; Alföldi, Thomas; Lockeretz, William; Thommen, Andreas; Rasmussen, Ilse A; Hermansen, John; Vaarst, Mette; Lueck, Lorna; Caporali, Fabio; Jensen, Henning Hogh; Migliorini, Paola and Willer, Helga (Eds.) Cultivating the future based on science, International Society of Organic Agriculture Research (ISOFAR), University of Bonn, 1, pp. 388-391.

G

GALAL ELGHARABLY, Ahmed (2002) Improving Compost Quality for Organic Vegetable production. [Amélioration de la qualité du compost pour la production biologique de cultures maraîchères.] Thesis, IAMB Mediterranean Agronomic Institute of Bari, Organic Farming. [ Unpublished, ]

Goodlass, G.; Halberg, N.; Verschuur, G.W. and Hanegraff, M.C. (2001) Study on Input/Output Accounting Systems on EU agricultural holdings.

Gordon, Sue (2002) Desk study – Optimising the synergism between organic poultry production and whole farm rotations, including home grown protein sources.

Gordon, Susan H; Bhogal, Anne and Walker, Andrew W (2002) Integration of organic poultry in whole farm systems: manure nutrient budgets. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 263-268.

Govasmark, Espen (2005) Trace element status of soil and organically grown herbage in relation to animal requirements. [Sporstoffer i jord og økologisk dyrket grovfôr vurdert i henhold til dyrenes behov.] Thesis, Norwegian University of Life Sciences, Department of Plant- and Environmental Sciences.

Govasmark, Espen; Steen, Arvid; Bakken, Anne Kjersti; Strøm, Turid and Hansen, Sissel (2005) Factors affecting the concentration of Zn, Fe and Mn in herbage from organic farms and in relation to dietary requirements of ruminants. Acta Agriculturae Scandinavica Section B - Soil and Plant Science, 55, pp. 131-142.

Gylfadóttir, Thórey; Helgadóttir, Áslaug and Høgh-Jensen, Henning (2007) Consequences of including adapted white clover in northern European grassland: transfer and deposition of nitrogen. Plant and Soil, 297, pp. 93-104.

H

Haas, Guido and Deittert, Christine (2003) Stoffflußanalyse und Produktionseffizienz der Milchviehhaltung unterschiedlich intensiv ökologisch wirtschaftender Betriebe. [Nutrient matter flow analyses and production efficiency of organic dairy farms at different intensity levels.] [ Unpublished, ]

{Project} Stoffflußanalyse und Produktionseffizienz der Milchviehhaltung unterschiedlich intensiv ökologisch wirtschaftender Betriebe. [Nutrient matter flow analyses and production efficiency of organic dairy farms at different intensity levels.] Runs 2002 - 2003. Project Leader(s): Haas, PD Dr. Guido, Universität Bonn. More information online at <http://www.bundesprogramm.de/fkz=02OE462>.

Haj Seyed Hadi, Mohammad Reza; Darzi, Mohammad Taghi and Sharifi Ashoorabadi, Ebrahim (2008) Study the effects of conventional and low input production system on quantitative and qualitative yield of Silybum marianum L. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Halberg, Niels (1999) Indicators of resource use and environmental impact for use in a decision aid for Danish livestock farmers. Agriculture, Ecosystems & Environment, 76, pp. 17-30.

Halberg, Niels (1998) Researching Farmers Possibilities and Motivation for Including Environmental Aspects in their Management. Proceedings of the Third European Symposium of thhe Association of Farming Systems Research and Extension, Hohenheim, 250398-270398. In: Rural and Farming Systems Analyses Environmental Perspectives, pp. 103-113.

Halberg, Niels; Dalgaard, Randi and Rasmussen, Morten Dalgas (2006) Miljøvurdering af konventional og økologisk avl af grøntsager - Livscyklusvurdering af produktion i væksthuse og på friland: Tomater, agurker, løg, gulerødder. Arbejdsrapport fra Miljøstyrelsen, 5.

Halberg, Niels and Jensen, Carsten Hvelplund (1996) Dairy farm production strategy and nitrogen surplus. In: Walter-Jørgensen, Aage and Pilegaard, Steen (Eds.) Integrated Environmental an Economic Analyses in Agriculture, pp. 103-120.

Halberg, Niels; Kristensen, Erik Steen and Kristensen, Ib Sillebak (1995) Nitrogen Turnover on Organic and Conventional Mixed Farms. Journal of Agricultural and Environmental Ethics, 8 (1), pp. 30-51.

Halberg, Niels; Kristensen, Ib Sillebak and Møller, Berit E. (1998) Kvælstofregnskaber på husdyrbrug. In: Grøn Viden, Husdyrbrug, January 1998, pp. 1-8.

Halberg, Niels; Michelsen, Johannes and Noe, Egon (1999) Samspillet mellem landbrugsproduktion, landbrugeres værdier og regler. Økonomi og Politik, 72 (1), pp. 18-34.

Halberg, Niels; van der Werf, Hayo M.G.; Basset-Mens, Claudine; Dalgaard, Randi and de Boer, Imke J.M. (2005) Environmental assessment tools for the evaluation and improvement of European livestock production systems. Livestock Production Science, 96, pp. 33-50.

Hansen, Martin N. (2005) Technologies to reduce the environmental impacts and nitrogen losses of livestock manure. Thesis, Danish Institute of Agricultural Sciences, Department of Agricultural Engineering. [ Unpublished, ] ^*

Hansen, Sissel; A. Bleken, Marina; Løes, Anne-Kristin; Govasmark, Espen; Falk Øgaard, Anne and Breland, Tor Arvid (2007) Sustainable nutrient supply of organic farming challenged by specialisation. NJF 23rd Congress 2007 - Trends and Perspectives in Agriculture, Copenhagen, June 26-29 2007. In: Lund, Mogens and Larsen, Torben Ulf (Eds.) NJF Report: NJF 23rd Congress 2007 - Trends and Perspectives in Agriculture, Nordic Association of Agricultural Scientists, 3 (2), pp. 193-194.

Hauggaard-Nielsen, H; Ambus, P; Dalgaard, T; Johansen, A; Jørgensen, U; Nielsen, A.M.; Nielsen, L.H.; Olesen, J.E.; Roepstorff, A; Skytte, K; Smith, J.E.; Thomsen, A.B.; Thomsen, M.H. and Jensen, E.S. (2007) Biomass and bioenergy production in organic agriculture. Consequences for soil fertility, environment, spread of animal parasites and socio-economy. BioConcnes, a 4-year interdisciplinary project. 23rd NJF Congres, Faculty of Life Sciences, University of Copenhagne, Denmark, 26-29 June, 2007. [ Unpublished, ]

Heinäaho, Merja; Pusenius, Jyrki and Julkunen-Tiitto, Riitta (2006) Organic farming methods affect the concentration of phenolic compounds in sea buckthorn leaves. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Hitchings, Roger (2008) Compost: the effect on nutrients, soil health and crop quantity and quality. Research Review for Advisors.

Hoagland, Dr. Lori; Murphy, Dr. Kevin; Carpenter-Boggs, Dr. Lynne and Jones, Dr. Steve (2008) Improving nutrient uptake in wheat through cultivar specific interaction with Azospirillum. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Horgan, A R (2006) The potential for slug control with ferric phosphate. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 225-226.

Hovmøller, M.S.; Berntsen, J. and Kristensen, K. (2006) Impact of foliar diseases in organically grown barley: Influence of fertilization, nutrient content in leaves, varietal disease resistance characteristics and yield potential. Working paper. [ Unpublished, ]

Huxham, Sally K; Sparkes, Debbie L and Wilson, Paul (2002) Organic conversion strategies for stockless farming systems. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 51-52.

Høgh-Jensen, H; Myaka, F.A.; Sakala, W.D.; Kamalongo, D.; Ngwira, A.; Vesterager, J.M.; Odgaard, R. and Adu-Gyamfi, J.J. (2007) Yields and qualities of pigeonpea varieties grown under smallholder farmers’ conditions in Eastern and Southern Africa. African Journal of Agricultural Research, 2 (6), pp. 269-278.

Høgh-Jensen, Henning; Odgaard, R.; Myaka, F.A.; Sakala, W.D.; Adu-Gyamfi, J.J. and Vesterager, J.M. (2008) Integrating pigeonpea in maize based farming systems may increase food production and alleviate poverty. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

J

Jacobsen, O.H.; Vinther, F.P.; Schjønning, P.; Hansen, E.M. and Eriksen, J. (2004) Økologisk jordbrug til beskyttelse af grundvand. [Organic farming for protection of the ground water quality.] Økologi-kongres 2004, Odense Kongrescenter, 16-17. November 2004.

Jensen, Lars Stoumann (2005) Lille effekt af fangafgrøder. [Little effect of catch crops.] In: Økologisk Jordbrug, October 2005, p. 6. Økologisk Landsforening.

Jensen, Lars Stoumann; Pedersen, Anders; Magid, Jakob and Nielsen, Niels Erik (2006) Influence of catch crops on phosphorous and potassium availability in a depleted loamy soil. Soil Use and Management, (draft manuscript). [ Unpublished, ]

Jensen, Lars Stoumann; Pedersen, Anders; Magid, Jakob and Nielsen, Niels Erik (2005) Catch crops have little effect on P and K availability of depleted soils. [Efterafgrøder har ringe effekt på P og K forsyningen på udpint lerjord.] DARCOFenews.

Jensen, Lars Stoumann; Pedersen, Anders; Magid, Jakob and Nielsen, Niels Erik (2005) Efterafgrøder har ringe effekt på P og K forsyningen på udpint lerjord. [Catch crops have little effect on P and K availability of depleted soils.] FØJOenyt.

Johansen, A.; Hauggaard-Nielsen, H.; Ambus, P.; Dalgaard, T.; Jørgensen, U.; Nielsen, A.M.; Nielsen, L.H.; Olesen, J.E.; Roepstorff, A.; Skytte, K.; Smith, J.E.; Thomsen, A.B.; Carter, M.S. and Jensen, E.S. (2008) Production of biomass and bioenergy in organic agriculture and its consequences for soil quality, environment, biodiversity and socio-economy. [Produktion af biomasse og bioenergi i økologisk jordbrug og konsekvenserne for jord kvalitet, miljø, biodiversitet og socio-økonomi.] ALTERNET Workshop: Interlinkage between Biodiversity and Bioenergy, Edinburgh, 20th - 21st October 2008.

Johansen , Anders; Hauggaard-Nielsen, Henrik; Ambus, Per and Carter, Mette S. (2009) Recycling of bioenergy waste-stream materials to soil in organic farming systems. NJF Seminar 422 , Tartu in Estonia, 25-27 August 2009.

Jokumsen, Alfred (2008) Forskning i planteproteiner til økologisk fiskefoder. [Research in plant proteins for feed for organic fish.] ICROFSnyt (2), pp. 2-3.

Jokumsen, Alfred (2008) Proteinfoder til økologiske ørreder. [Protein feed for organic rainbow trout.] In: Økologisk Jordbrug, December 2008, p. 14.

Jokumsen, Alfred; Larsen, Villy J.; Dalsgaard, Inger; Nielsen, Henrik Hauch; Jessen, Peter and Kold, John (2006) Økologisk fiskeopdræt. Rapport fra en vidensyntese om udviklingsmuligheder inden for økologisk fiskeopdræt i Danmark. [Organic fish farming. A synthesis of science with perspectives within organic fish farming in Denmark.] FOEJO Report, 21.

K

Keatinge, R (2004) Optimising the production and utilisation of forage for organic livestock (CTE0202).

Keatinge, Ray (2001) Efficient use of animal manures within an upland organic system (OF0187).

Kirk, Anne; Fox, Dr. Stephen; Entz, Dr. Martin and Tenuta, Dr. Mario (2008) Preliminary Findings on the Arbuscular Mycorrhizal Colonization of Organic Wheat. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Knudsen, Marie Trydeman (2006) Økologer udvasker mindre kvælstof. [Less N leaching at organic farms.] FØJOenyt, 1.

Knudsen, Marie Trydeman (2006) Mindre udvaskning fra økologer. In: Økologisk Jordbrug, August 2006, p. 6. Økologisk Landsforening.

Knudsen, Marie Trydeman; Hauggaard-Nielsen, Henrik and Jensen, Erik Steen (2004) Cereal-grain legume intercropping in organic farming - a Danish survey. VIII ESA Congress: European agriculture in a global context, Copenhagen, 11.-15. July 2004. In: Jacobsen, Sven-Erik; Jensen, C. R. and Porter, J. R. (Eds.) VIII ESA Congress: Book of proceedings, The Royal Veterinary and Agricultural University, Dept. of Agricultural Sciences.

Köhler, Brigitte and Kolbe, Hartmut (2007) Programm BEFU, Teil Ökologischer Landbau: Verfahrensbeschreibung und PC-Anleitung zu Methoden der Bilanzierung und Düngungsbemessung.

Köhler, Brigitte and Kolbe, Dr. Hartmut (2006) Formen der Stickstoffbilanzierung für die Praxis des Ökologischen Landbaus. [Nitrogen budget types for organic farming practice.] Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [ Unpublished, ]

Kolbe, Hartmut (2009) Standarduntersuchungsprogramm zu Bodenfruchtbarkeit und Nährstoffmanagement im Ökolandbau. Tagung des Arbeitskreises Versuchsansteller im Ökologischen Landbau, Uelzen, 23. - 24. 06. 2009. [ Unpublished, ]

Kolbe, Hartmut (2008) Nährstoffmanagement im Umstellungsbetrieb. Working paper, FB Pflanzliche Erzeugung, Sächsische Landesanstalt für Landwirtschaft, Leipzig. [ Unpublished, ]

Kolbe, Hartmut and Köhler, Brigitte (2008) Erstellung und Beschreibung des PC-Programms BEFU, Teil Ökologischer Landbau. Verfahren der Grunddüngung, legumen N-Bindung, Nährstoff- und Humusbilanzierung. Schriftenreihe des Landesamtes für Umwelt, Landwirtschaft und Geologie, Heft 36/2008. Saechsisches Landesamt fuer Umwelt, Landwirtschaft und Geologie.

Kolbe, Dr. Hartmut and Köhler, Brigitte (2006) PC-Programm BEFU, Teil Ökologischer Landbau. [PC programme BEFU, organic farming section.] Vortragsveranstaltung mit Feldtag „Forschung zum ökologischen Landbau in Sachsen“, Roda, 14. 06. 2006. [ Unpublished, ]

Koocheki, Professor Alireza; Jahan, Instructor Mohsen and Nassiri Mahallati, Associated Prof. Mehdi (2008) Effects of arbuscular mycorrhizal fungi and free-living nitrogen- fixing bacteria on growth characteristics of corn(Zea mays L.) under organic and conventional cropping systems. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Kotcon, Dr. James (2008) Impact of Organic Crop and Livestock Systems on Earthworm Population Dynamics. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Kristensen, H.L. and Thorup-Kristensen, K. (2007) Effects of vertical distribution of soil inorganic nitrogen on root growth and subsequent nitrogen uptake by field vegetable crops. [Betydning af dybdefordeling af uorganisk kvælstof i jorden for rodvækst og kvælstofoptagelse hos grønsagsafgrøder.] Soil Use and Management, 23, pp. 338-347. ^*

Kristensen, H.L. and Thorup-Kristensen, K. (2006) Deep roots of Brassica oleracea have high uptake of 15N-nitrate to 2 meters soil depth. [ Submitted , 2006] ^**

Kristensen, H.L. and Thorup-Kristensen, K. (2003) Olieræddike kan optage tabt nitrat fra 2,5 meters dybde. [Fodder radish takes up lost nitrate from 2.5 meters depth.] In: Månedsmagasinet Mark, 2003, pp. 14-15. ^**

Kristensen, Hanne L. and Thorup-Kristensen, Kristian (2005) Grønkål optager nitrat fra mere end 2 meters dybde. [Curly kale takes up nitrate from more than 2 meters depth.] FØJOenyt, 4. ^**

L

LI, Mrs Zhifang (2002) New eco-compatible technologies of durum wheat production: a case study on winter wheat living mulch by sub clover in Southern Italy. [Nouvelles technologies éco-compatibles pour la production de blé dur: cas d’étude sur un mulching de trèfle souterrain dans une parcelle de blé en Italie du Sud.] Thesis, IAMB - Mediterranean Agronomic Institute of Bari, Organic Agriculture. [ Unpublished, ]

Linder, Janne (2005) Kväveeffektivitet i ekologisk odling-slutsatser från gårdsstatistik. [Nitrogen efficiency in organic farming-conclusions from farm statistics.] Att navigera i en ny tid, Uppsala, 22-23 november 2005. In: Ekologiskt lantbruk konferens 22-23 november 2005. Ultuna, Uppsala. Sammanfattningar av föredrag och postrar. SLU. Centrum för uthålligt lantbruk., pp. 84-87.

Lindgen, Kristina; Lindahl, Cecilia; Höglund, Johan and Roepstorff, Allan (2008) Occurrence of intestinal helminths in two organic pig production systems. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Lynch, Derek H; Roberts, Cory and Voroney, Paul (2006) SUSTAINABILITY OF ORGANIC DAIRYING IN CANADA. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Løes, Anne-Kristin (1995) "Thirty-farm Project", Norway. Ecology and farming (9 May 1995), pp. 24-25.

Løes, Anne-Kristin and Øgaard, Anne Falk (2003) Concentrations of soil potassium after long-term organic dairy production. International Journal of Agricultural Sustainability, 1 (1), pp. 14-29.

Løes, Anne-Kristin and Øgaard, Anne Falk (1997) Changes in the nutrient content of agricultural soil on conversion to organic farming, in relation to farm level nutrient balances and soil contents of clay and organic matter. Acta Agric. Scand., Sect. B, Soil and Plant Sci., 47, pp. 201-214.

M

Mayer, Jochen; Scheid, Susanne and Oberholzer, Hans-Rudolf (2008) How effective are ‘Effective Microorganisms’? Results from an organic farming field experiment. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research (ISOFAR), Modena, Italy, June 18-20, 2008.

Migliorini, Dr Paola; Vazzana, Prof Concetta and Moschini, Dott Valentina (2008) Effect of green manure on weeds and soil fertility in two organic experimental agroecosystems of different ages. Results from 2 years. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Montecchio, D.; Francioso, O.; Gioacchini, P. and Ciavatta, C. (2008) How Perennial Grass has Modified Distribution of Organic Carbon in a Peach Orchard in Emilia-Romagna Region (Italy). Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Myaka, F. M.; Sakala, W. D.; Adu-Gyamfi, J. J.; Kamalongo, D.; Ngwira, A.; Odgaard, R.; Nielsen, N. E. and Høgh-Jensen, H. (2006) Yields and accumulations of N and P in farmer-managed intercrops of maize-pigeonpea in semi-arid Africa. Plant and Soil, 285, pp. 207-220.

N

Nanzer, Simone; Frossard, Emmanuel; Bosshard, Christine; Dubois, Davie; Mäder, Paul and Oberson, Astrid (2009) Symbiotic N2 fixation by soybean in organic and conventional cropping systems. 10. Wissenschaftstagung Ökologischer Landbau, Zürich, 11.-13. Februar 2009.

Nemecek, T; Dubois, D; Huguenin-Elie, O and Gaillard, G (2006) Life cycle assessment of Swiss organic farming systems. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 15-18.

Nicholas, Phillipa; Padel, Susanne; Cuttle, S P; Fowler, S M; Hovi, M; Lampkin, N H and Weller, R F (2004) Organic Dairy Production - A Review. Biological Agriculture and Horticulture, 22, pp. 217-249.

Nielsen, L.H. and Hjort-Gregersen, K. (2002) Socio-economic Analysis of Centralised Biogas Plants. [ Unpublished, ]

Noe, Egon and Halberg, Niels (2002) Research Experience with Tools to Involve Farmers and Local Institutions in Developing More Environmentally Friendly Practices. In: Hagedorn, Konrad (Ed.) Environmental Co-operation and Institutional Change. Theories and Policies for European Agriculture, chapter 8, pp. 143-161.

Nyberg, Anna and Lindén, Börje (2008) Åkerbönor som förfrukt till vårsäd i ekologiskodling. [Faba beans as previous crop to spring cereals in organic farming.] Report, 15.

O

Olayide, Dr Olawale; Alene, Dr Arega; Ikpi, Prof Anthony and Nziguheba, Dr Generose (2008) Population Density and Distance to Market Does not Influence the Farmers’ Use of Organic Manure. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Owens, Katie and Watson, Christine (2002) Nutrient budgeting for trace elements: Examples from Scottish organic farms. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 147-148.

P

P.S., Hooda; M., Moynagh; I.F., Svoboda and H.A., Anderson (1998) A comparative study of nitrate leaching from intensively managed monoculture grass and grass-clover pastures. Journal of Agricultural Science, 131 (3), pp. 267-275.

Padel, Susanne (2001) Conversion to Organic Production Software (OrgPlan, OF0159).

Padel, Susanne and Sundrum, Albert (2006) How can we achieve 100% organic diets for pigs and poultry? What will organic farming deliver COR 2006, Edinburgh, 18-20 September 2006. [ Unpublished, ]

Padel, Dr Susanne (2003) Testing of OrgPlan Conversion Planning software (OF0331).

Paull, John (2009) A Century of Synthetic Fertilizer: 1909-2009. Journal of Bio-Dynamics Tasmania (94), pp. 16-21.

Pedersen, Anders (2008) Modelling crop root development and nitrate uptake. Thesis, The Faculty of Life Sciences, University of Copenhagen, Department of Agricultural Sciences. [ Unpublished, ] ^*

Pedersen, Anders (2007) Simulating Root Density Dynamics and Nitrogen Uptake – Can a Simple Approach be Sufficient? 37th Annual Biological Systems Simulation Conference, Holiday Inn, College Park, Maryland USA, 17-19 april. ^**

Pedersen, Anders (2005) If modelling modelling with Daisy. 14th N WORKSHOP “N management in agrosystems in relation to the Water Framework Directive”, Maastricht, The Netherlands, 24-26 October 2005.

Pedersen, Anders; Stoumann Jensen, Lars and Thorup-Kristensen, Kristian (2005) A model analysis on nitrate leaching under different soil and climate conditions and use of catch crops. at 14th N WORKSHOP “N management in agrosystems in relation to the Water Framework Directive”, Maastricht, The Netherlands, 24-26 October 2005,. [ Unpublished, ]

Pedersen, Anders and Thorup-Kristensen, Kristian (2006) Hvornår kan udtagning af Nmin prøver betale sig? [When will it be valuable to make mineral N samples?] In: Frugt og Grønt, September 2006, pp. 378-379. Frugt og Grønt Rådgivningen, Skejby, Århus. ^**

Pedersen, Anders; Thorup-Kristensen, Kristian and Jensen, Lars Stoumann (2009) Simulating nitrate retention in soils and the effect of catch crop use and rooting pattern under the climatic conditions of Northern Europe. Soil Use and Management, 25.

Pedersen, Anders; Thorup-Kristensen, Kristian and Jensen, Lars Stoumann (2006) Simulating nitrate retention in soils and the effect of catch crops use and root growth. Working paper. [ Unpublished, ] ^*

Pedersen, Anders; Zhang, Kefeng; Jensen, Lars Stoumann and Thorup-Kristensen, Kristian (2007) Simulating Root Density Dynamics and Nitrogen Uptake – Can a Simple Approach be Sufficient? 37th Annual Biological Systems Simulation Conference, Holiday Inn, College Park, Maryland, US, April 17-19, 2007. In: 37th Annual Biological Systems Simulation Conference, Program and Abstract, USDA-ARS, pp. 11-12. ^**

Pedersen, Anders; Zhang, Kefeng; Thorup-Kristensen, Kristian and Jensen, Lars S. (2007) Simulating root density dynamics and nitrogen uptake in the soil profile – A simple approach. Working paper. [ Unpublished, ]

Pedersen, Anders; Zhang, Kefeng; Thorup-Kristensen, Kristian and Jensen, Lars Stoumann (2009) Modelling diverse root density dynamics and deep nitrogen uptake. Plant and Soil. ^**

Preston, Keith (2008) Management & sustainability of stockless organic arable and horticultural systems. Research Review for Advisors.

Preston, Keith (2008) Management & sustainability of stockless organic arable and horticultural systems.

Pugesgaard, S.; Dalgaard, T.; Jørgensen, U.; Olesen, J.E.; Møller, H. and Jensen, E.S. (2008) Can on-farm bioenergy production make organic farming more sustainable? - A model for energy balance, nitrogen losses, and green house gas emissions in a 1000 ha energy catchment with organic dairy farming and integrated bioenergy production. FAO Workshop on Organic Agriculture and Climate Change. June 18, 2008. The IFOAM World Organic Congress, Modena, Italy., http://www.fao.org/organicag/pdf/dalgaard_posters.pdf, June 18-20 2008. ^*

R

Rasmussen, Jim (2007) Below ground C and N transformation processes in perennial grass-clover mixtures. Thesis, Faculty of Life Sciences, University of Copenhagen, Department of Agricultural Sciences. ^*

Raupp, Dr Joachim (2000) The well-proportioned farm organism. Just a pleasing image of a mixed farming system or rather a basic requirement for functioning organic husbandry? 13th International IFOAM Scientific Conference, Basel, 28 to 31 August 2000. In: Alföldi, Th; Lockeretz, W and Niggli, U (Eds.) Proc. 13th Int. IFOAM Sci. Conf., August 2000 Basel, vdf Hochschulverlag (ETH Zürich), pp. 700-703.

Rayns, Francis; Schmutz, Ulrich; Firth, Chris; Thorup-Kristensen, Kristian; Zhang, Kefeng and Rahn, Clive (2006) The use of computer modelling to evaluate the agronomic, economic and environmental impacts of N management in contrasting organic rotations. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. In: Atkinson, C.; Ball, B.; Davies, D.H.K.; Rees, R.; Russell, G.; Stockdale, E.A.; Watson, C.A.; Walker, R. and Younie, D. (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 171-174.

Rayns, Francis W; Harlock, Simon and Turner, Rebecca J (2002) Fertility building strategies during the conversion period – assessment of performance in a stockless field vegetable rotation. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 125-128.

Rebsdorf, Simon Olling and Sørensen, Linda S. (2009) International newsletter from ICROFS. ICROFS news (2).

Refsgaard, Karen; Jenssen, Petter D. and Magid, Jakob (2006) Possibilities for closing the urban rural nutrient cycles. In: Halberg, N.; Knudsen, M.T. and Kristensen, E.S. (Eds.) Global Development of Organic Agriculture: Challenges and Prospects, CaB International, chapter 7, pp. 181-214. ^**

Reveredo Giha, C; Topp, C F E; Toma, L and Wu, L (2006) Economic and environmental analysis of the introduction of legumes in livestock farming systems. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 199-203.

Riley, Hugh; Løes, Anne-Kristin; Hansen, Sissel and Dragland, Steinar (2003) Yield responses and nutrient utilization with the use of chopped grass and clover material as surface mulches in an organic vegetable growing system. Biological Agriculture and Horticulture, 21, pp. 63-90.

Rinaldi, Michele; Vonella, Alessandro Vittorio and Garofalo, Pasquale (2007) Organic Fertilization In A “Tomato – Pea” Rotation In Southern Italy. 3rd QLIF Congress: Improving Sustainability in Organic and Low Input Food Production Systems, University of Hohenheim, Germany, March 20-23, 2007.

S

Sanders, Ian; Watson, Christine; Rees, Robert and Atkinson, David (2002) Nitrogen fixation and soil nitrogen in organic ley arable rotations. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 85-88.

Sangakkara, Dr. Ravi; Weerasekera, Mr. Danesh and Freyer, Prof.Dr. Bernhard (2008) Green manuring for tropical organic cropping – A comparative analysis. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Schäfer, W.; Evers, L.; Lehto, M.; Sorvala, S.; Teye, F. and Granstedt, A. (2005) Biogas from manure – a new technology to close the nutrient and energy circuit on-farm. Organic farming for a new millennium – status and future challenges : NJF-seminar 369, Alnarp, Sweden, June 15-17, 2005. In: NJF Report, Nordic Association of Agricultural Scientists, 1 (1), pp. 165-168.

Schäfer, Winfried (2008) Lebensmittel und Energiepflanzen aus biologischem Anbau - unerwünschte oder nachhaltige Möglichkeiten? [Food and Agroenergy production in organic Farming – Undesirable or Sustainable Options?] Bioacademy 2008 – New Developments in Science and Research on Organic Agriculture, Lednice na Moravě, Czech Republic, 3.-5.9.2008.

Schäfer, Winfried (2008) Two phase automatic digestion of solid dairy manure. Lahti Science Day, Lahti, Finland, 25.11.2008.

Schäfer, Winfried; Evers, Lars; Lehto, Marja; Sorvala, Sanna; Teye, Frederick and Granstedt, Artur (2005) Nutrient balance of a two-phase solid manure biogas plant. Manure - an agronomic and environmental challenge : NJF-seminar no. 372, Nils Holgerssongymnasiet, Skurup, Sweden, 5-6 September 2005. In: Stenberg, Maria; Nilsson, Hans; Brynjolfsson, Rikhard; Kapuinen, Petri; Morken, John and Søndergaard Birkmose, Torkild (Eds.) NJF Report, Nordic Association of Agricultural Scientists, 1 (2), pp. 43-46.

Schäfer, Winfried; Evers, Lars; Lehto, Marja; Sorvala, Sanna; Teye, Frederick and Granstedt, Artur (2005) Two phase continuous digestion of solid manure on-farm: design, mass and nutrient balance. Ekologiskt lantbruk konferens, Ultuna, Uppsala, 22-23 november 2005. In: Ullvén, Karin and Alm, Jessica (Eds.) Att navigera i en ny tid, Sveriges lantbruksuniversitet, Centrum för uthålligt lantbruk, pp. 310-311.

Schäfer, Winfried; Lehto, Marja and Teye, Frederick (2006) Dry anaerobic digestion of organic residues on-farm - a feasibility study. Agrifood Research Reports, 77. Nordic Association of Agricultural Scientists.

Schmutz, U; Rayns, F and Sumpton, P (2006) 10-year interdisciplinary monitoring of organic stocklass, vegetable rotations at Warwick-HRI, Kirton, South Lincolnshire, UK. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 29-32.

Schmutz, Dr Ulrich; Rayns, Dr Francis; Firth, Mr Chris; Nendel, Dr Claas; Lillywhite, Mr Rob; Zhang, Dr Kefeng and Rahn, Dr Clive (2008) National-scale modelling of N leaching in organic and conventional horticultural crop rotations - policy implications. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Schmutz, Dr Ulrich; Rayns, Dr Francis; Firth, Mr Chris; Rosenfeld, Dr Anton; Thorup-Kristensen, Dr Kristian; Zhang, Dr Kefeng and Rahn, Dr Clive (2006) Environmental and economic modelling of organic, stockless, horticultural crop rotations. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Schober Lima, Juliana and Focken, Ulfert (2007) Analysis of Soil Nutrients and Organic Matter in organic and conventional Marine Shrimp ponds at Guaraíra Lagoon, Rio Grande do Norte State, Brazil. Zwischen Tradition und Globalisierung - 9. Wissenschaftstagung Ökologischer Landbau, Universität Hohenheim, Stuttgart, Deutschland, 20.-23.03.2007.

Seuri, P. (2005) Primary nutrient balance as a new tool to evaluate nutrient utilization. Organic farming for a new millenium - status and future challenges: NJF-seminar 369, Alnarp, Sweden, June 15-17, 2005. In: NJF Report, Nordic Association of Agricultural Scientists, 1 (1), p. 249.

Seuri, Pentti (2008) Key issue in nutrient recycling: Integration between crop and animal production - conclusion about BERAS-project. New insights into sustainable cultivation methods in agriculture : NJF seminar 418, Piikkiö, Finland, 17-19 September 2008. In: NJF Report, Nordic Association of Agricultural Scientists, 4 (3), p. 17.

Seuri, Pentti (2008) Nitrogen Utilization in Integrated Crop and Animal Production. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Sharma, Arun K. (2006) The potential of organic farming in drylands of India. http://ag.arizona.edu/OALS/ALN/aln58/sharma.html (58).

Shepherd, Dr M. A. (2000) The environmental implications of manure use in organic farming systems (OF0161).

Shepherd, Mark; Philipps, Lois and Webb, John (2002) Tools for managing manure nutrients. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 165-168.

Silva, Edmilson Evangelista da; Azevedo, Pedro Henrique Sabadin; Almeida, Maxwell Merçon Tezolin Barros; De-Polli, Helvécio and Guerra, José Guilherme Marinho (2008) Influence of intercropping and irrigation frequencies in the leaf development and taro (Cocoyam) productivity under organic management. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Slots, Tina; Leifert, Carlo; Butler, Gillian; Kristensen, Troels and Nielsen, Jacob Holm (2006) Effect of dairy management on quality characteristics of milk. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Spann, Balthasar; Diepolder, Michael; Schmidtlein, Eva-Maria; Simon, Jochen; Schön, Wolfgang and Stötzel, Peter (2007) Umstellung zur ökologischen Milchviehhaltung: Auswirkungen auf Pflanzenbestand, Bodenqualität, Futterkonservierung, Fütterung, Leistungsentwicklung, Tiergesundheit, Tierhaltung und Wirtschaftlichkeit. Proceedings of Umstellung zur ökologische Milchviehaltung, Grub und Lauf, Germany, 23.10.2007 und 25.10.2007. Bayerische Landesanstalt für Landwirtschaft (LfL), Freising.

Stefano, Dr. Canali; Alessandra, Dr. Trinchera; Emanuela, Dr. Di Bartolomeo; Luigi, Dr. Nisini; Anna, Dr. Benedetti and Francesco, Dr. Intrigliolo (2002) Soil fertility comparison among organic and conventional managed citrus orchards in Sicily. 17th World Congress of Soil Science, Bangkok (Thailand), 14 – 21 August.

Steinshamn, Håvard (2001) Effects of Cattle Slurry on the Growth Potential and Clover Proportion of Organically Managed Grass–Clover Leys. Acta Agriculturae Scandinavica: Section B, Soil and Plant Science, 51 (3), pp. 113-124.

Steinshamn, Håvard; Bleken, Marina A and Thuen, Erling (2006) Feed production on farms without animals is not environmentally sustainable. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

Stinner, Walter; Möller, Dr. Kurt and Leithold, Prof. Dr. Günter (2008) Biogas in stockless organic Farming: Effects of Digestion of Clover/grass, Cover Crops and Crop Residues on Nitrogen Cycles and Crop Rotation Productivity. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Stockdale, E (2001) Optimisation of phosphorus and potassium management within organic farming systems (OF0114).

Stockdale, Elizabeth A and Watson, Christine A (2002) Nutrient budgets on organic farms: a review of published. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 129-132.

Strüber, Klaus (2006) Humussphäre - Projekt zu energiesparenden und humusaufbauenden Methoden in der Landwirtschaft. [Humussphäre- a projekt about energy-saving and build-on humus methods in agriculture.] Starke Pferde, 38 (02/2006), pp. 34-35.

Sundrum, A and Padel, S (2006) Evaluation criteria for including feed materials in Annex II C and dietary supplements in Annex II D of the EC-Regulation 2092/91. EEC 2092/91 (Organic Revision Project Report), D 4.2.

T

Tabaglio, Prof. Vincenzo; Gavazzi, Dott. Carolina and Nervo, Dott. Giuseppe (2008) A comparison of organically and conventionally grown vegetable crops: results from a 4-year field experiment. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Tabrizi, Leila; Koocheki, Alireza and Ghorbani, Reza (2008) Effect of Biofertilizers on Agronomic Criteria of Hyssop (Hyssopus officinalis). Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Tersbøl, Michael and Bertelsen, Inger (2007) Biogas fra energiafgrøder giver bedre sædskifter og højere udbytter. [Biogas from energi crops gives better crop rotations and higher yields.] Online at <http://www.lr.dk/planteavl/informationsserier/planteavlsorientering/pl02-173.htm>, February 2007. 27. februar 2007.

Thomsen, Ingrid K. (2008) Long-term experiments as a platform for monitoring bread wheat quality. NJF Seminar 407, Askov Experimental Station and Sandbjerg Estate, Denmark, 16-18 June 2008. In: Christensen, Bent T.; Petersen, Jens and Schacht, Margit (Eds.) Long-term field experiments - a unique research platform, Faculty of Agricultural Sciences.

Thorup-Kristensen, K. (2005) Use of green manure, catch crops, and deep rooted crops for nutrient management in an organic vegetable crop rotation. [Brug af grøngødning, efterafgrøder og afgrøder med dyb rodvækst til forbedret næringsstofhusholdning i et økologisk grønsagssædskifte.] 1st QualityLowInputFood Congress, Newcastls, UK, January 2005. In: Book of abstracts.

Thorup-Kristensen, Kristian (2009) Model analysis of environmental relations in a vegetable rotation experiment. In: Final report from the QLIF project, chapter Model analysis of environmental relations in a vegetable rotation experiment. [ Submitted, , April 2009]

Thorup-Kristensen, Kristian (2008) Nitrogen use efficiency in organic and conventional vegetable rotations.: Measured and model simulated results. Towards ecologically sound fertilization strategies for field vegetable production, Malmö, Sweden, September 2008. In: Acta Horticulturea - Towards ecologically sound fertilization strategies for field vegetable production.

Thorup-Kristensen, Kristian (2008) Udbytte, kvalitet og smag i økologisk grønsagsproduktion. [Yield, quality and taste i organic vegetable production.] In: Landbrugsavisen, August 2008.

Thorup-Kristensen, Kristian (2007) Bedre sædskifter med dybe rødder. [Better rotations with deep roots.] In: Økologisk Jordbrug, 2007, p. 10.

Thorup-Kristensen, Kristian (2007) Hvad bestemmer afgrøders roddybde, og hvordan kan vi bruge det til at opnå bedre udnyttelse af kvælstof? [What determines crop rooting detph, and how can we use this to achive improved nitrogen efficiency in rotations?] Plantekongres 2007, Herning, Januar 2007. In: Plantekongress 2007: Sammendrag af indlæg, pp. 62-63. ^**

Thorup-Kristensen, Kristian; Cortasa, Montserrat Salmerón and Loges, Ralf (2009) Winter wheat roots grow twice as deep as spring wheat roots, is this important for N uptake and N leaching losses? Plant and Soil, 322. ^**

Thorup-Kristensen, Kristian and Pedersen, Lene (2006) Cropping systems with winter wheat or spring wheat? Root growth, catch crops, nitrogen leaching and baking quality. Joint Organic Congress, Odense, Denmark, May 30-31, 2006. ^*

Topp, Cairistiona F E; Watson, Christine A and Stockdale, Elizabeth (2002) Utilising the concept of nutrients as a currency within organic farming system. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 157-160.

Trump, Andrew (2008) Non-inversion tillage in organic arable cropping.

U

Unspecified, (2003) Alternative, non-animal based nutrient sources, for organic plant raising OF0308. [ Unpublished, ]

Unspecified, (1998) Organic milk production: post conversion phase - IGER OF0113. [ Unpublished, ]

V

V, Alex Albert and V, Krishnasamy (2004) Evaluation of Organic Source of Nutrients on Growth and Yield Parameters of Tomato. Thesis, Tamil Nadu Agricultural University, Coimbatore, INDIA., Department of Seed Science and Technology. [ Unpublished, ]

van der Burgt, G.J.H.M.; Oomen, G.J.M. and Rossing, W.A.H. (2006) The NDICEA model as a learning tool: experiences in 2005. Joint Organic Congress, Odense, Denmark, May 30-31, 2006.

van der Burgt, Ir. G.J.H.M. and Timmermans, Dr. B.G.H. (2009) Fusarium in wheat. Effects of soil fertility strategies and nitrogen levels on mycotoxins and seedling blight. [ Unpublished, ]

Vazzana, Prof Concetta; Raso, Dr Enrico and Migliorini, Dr Paola (2008) Sustainability evaluation of long term organic farm systems. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Vinther, F.P. (2006) Effects of cutting frequency on plant production, N-uptake and N2 fixation in harvested and below-harvest plant biomass of grass clover. Grass and Forage Science, 61, pp. 154-163.

W

Warrer Knudsen, Jette (2007) Er øko-gulerødderne sundere? [Are organic carrots healthier?] In: Dagbladet Børsen, August 2007, p. 2. ^*

Warrer Knudsen, Jette (2007) Ny forskning skal give bedre øko-mad. [New research will give improved organic food.] In: Dagbladet Børsen, August 2007, p. 2. Dagbladet Børsen. ^*

Weller, R (2006) The development of organic milk production systems. [ Unpublished, ]

Weller, Richard; Nicholas, Philipa and Fowler, Susan (2002) Comparison of the physical and financial performance of organic dairy farming systems (OF0146).

Weller, Richard F and Jones, Evan L (2002) An overview on the role and potential of forage production on lowland organic livestock farms. UK Organic Research 2002 Conference, Aberystwyth, 26-28 March 2002. In: Powell, Jane and et al., (Eds.) Proceedings of the UK Organic Research 2002 Conference, Organic Centre Wales, Institute of Rural Studies, University of Wales Aberystwyth, pp. 81-84.

Williams, A G; Audsley, E and Sandars, D L (2006) Energy and environmental burdens of organic and non-organic agriculture and horticulture. What can organic farming deliver? COR 2006, Heriot-Watt University, Edinburgh, 18-20 September 2006. In: Atkinson, C; Ball, B; Davies, D H K; Rees, R; Russell, G; Stockdale, E A; Watson, C A; Walker, R and Younie, D (Eds.) Aspects of Applied Biology 79, What will organic farming deliver? COR 2006, Association of Applied Biologists, pp. 19-23.

Wivstad, Maria and Naetterlund, Henrik (2008) Learning in context – improved nutrient management in arable cropping systems through participatory research. Cultivating the Future Based on Science: 2nd Conference of the International Society of Organic Agriculture Research ISOFAR, Modena, Italy, June 18-20, 2008.

Woodward, Lawrence; Philipps, Lois; Wolfe, Martin; Jones, Hannah; Hinchsliffe, Kay; Hitchings, Roger; O'Brien, Josie and Deane, Tim (2005) Elm Farm Research Centre Bulletin with Technical Updates from the Organic Advisory Service 80.

Woodward, Mr Lawrence; Wolfe, Prof Martin; Schweisfurth, Karl Ludwig; Jones, Dr Hannah; Philipps, Ms Lois; Hitchings, Mr Roger and Measures, Mr Mark (2005) Elm Farm Research Centre Bulletin 79 July 2005.

Y

Younie, D. (2001) Organic grassland: the foundation stone of organic livestock farming. In: Younie, D. and Wilkinson, J.M. (Eds.) Organic livestock farming. Papers presented at conferences held at the Heriot-Watt University, Edinburgh and at the University of Reading, 9-10 February 2001, Lincoln, UK: Chalcombe Publications, chapter 6, pp. 75-102.

This list was generated on Sat Nov 28 02:54:03 2009 CET.