-
1
-
-
34547918939
-
-
FAL Agricultural Research, Landbauforschung Völkenrode SH 276, Braunschweig, Germany. p
-
Rahmann, G., Nieberg, H., Drengemann, S., Fenneker, A., March, S., and Zurek, C. 2004. Bundesweite Erhebung und Analyse ökologisch wirtschaftender Betriebe. FAL Agricultural Research, Landbauforschung Völkenrode SH 276, Braunschweig, Germany. p. 26.
-
(2004)
Bundesweite Erhebung und Analyse ökologisch wirtschaftender Betriebe
, pp. 26
-
-
Rahmann, G.1
Nieberg, H.2
Drengemann, S.3
Fenneker, A.4
March, S.5
Zurek, C.6
-
2
-
-
34547922879
-
Norms for Organic Production and Processing - IFOAM Basic Standards
-
IFOAM International Federation of Organic Agriculture Movements, Bonn, Germany. p
-
IFOAM (International Federation of Organic Agriculture Movements). 2002. Norms for Organic Production and Processing - IFOAM Basic Standards. IFOAM, Head Office, Bonn, Germany. p. 27.
-
(2002)
IFOAM, Head Office
, pp. 27
-
-
-
3
-
-
0345166862
-
The use of farmgate balances and soil surface balances as estimator for nitrogen leaching to surface water
-
van Beek, C.L., Brouwer, L., and Oenema, O. 2003. The use of farmgate balances and soil surface balances as estimator for nitrogen leaching to surface water. Nutrient Cycling in Agroecosystems 67:233-244.
-
(2003)
Nutrient Cycling in Agroecosystems
, vol.67
, pp. 233-244
-
-
van Beek, C.L.1
Brouwer, L.2
Oenema, O.3
-
4
-
-
0031761596
-
Can organic farming help to reduce N-losses? - experiences from Denmark
-
Dalgaard, T., Halberg, N., and Kristensen, I.S. 1998. Can organic farming help to reduce N-losses? - experiences from Denmark. Nutrient Cycling in Agroecosystems 52:277-287.
-
(1998)
Nutrient Cycling in Agroecosystems
, vol.52
, pp. 277-287
-
-
Dalgaard, T.1
Halberg, N.2
Kristensen, I.S.3
-
5
-
-
0034536550
-
Life cycle assessment framework in agriculture on the farm level
-
Haas, G., Wetterich, F., and Geier, G. 2000. Life cycle assessment framework in agriculture on the farm level. Journal of Life Cycle Assessment 5:345-348.
-
(2000)
Journal of Life Cycle Assessment
, vol.5
, pp. 345-348
-
-
Haas, G.1
Wetterich, F.2
Geier, G.3
-
6
-
-
9644289395
-
Farm level environmental indicators: Are they useful? An overview of green accounting systems for European farms
-
Halberg, N., Verschuur, G., and Goodlass, G. 2005. Farm level environmental indicators: Are they useful? An overview of green accounting systems for European farms. Agriculture, Ecosystems and Environment 105:195-212.
-
(2005)
Agriculture, Ecosystems and Environment
, vol.105
, pp. 195-212
-
-
Halberg, N.1
Verschuur, G.2
Goodlass, G.3
-
7
-
-
0011944783
-
Betriebsbedingte Nährstoffbilanzen am Beispiel des Organischen Landbaus
-
Verband der Landwirtschaftskammern und Bundesarbeitskreis Düngung eds, Frankfurt, Germany. p
-
Haas, G. 1995. Betriebsbedingte Nährstoffbilanzen am Beispiel des Organischen Landbaus. In Verband der Landwirtschaftskammern und Bundesarbeitskreis Düngung (eds). Nährstoffbilanz im Blickfeld von Landwirtschaft und Umwelt. Frankfurt, Germany. p. 93-110.
-
(1995)
Nährstoffbilanz im Blickfeld von Landwirtschaft und Umwelt
, pp. 93-110
-
-
Haas, G.1
-
8
-
-
34547884747
-
-
Haas, G. and Deittert, C. 2004. Environmental impact assessment, nutrient matter flow analyses, and production efficiency of organic dairy farms at different intensity levels (Abstract in English). Research Report 514-43.10/02OE462, Bundesanstalt für Landwirtschaft und Ernährung, Bonn, Germany.
-
Haas, G. and Deittert, C. 2004. Environmental impact assessment, nutrient matter flow analyses, and production efficiency of organic dairy farms at different intensity levels (Abstract in English). Research Report 514-43.10/02OE462, Bundesanstalt für Landwirtschaft und Ernährung, Bonn, Germany.
-
-
-
-
9
-
-
33846032655
-
Impact of feeding pattern and feed purchase on area- and cow-related dairy performance of organic farms
-
Haas, G., Deittert, C., and Köpke, U. 2007. Impact of feeding pattern and feed purchase on area- and cow-related dairy performance of organic farms. Livestock Science 106:132-144.
-
(2007)
Livestock Science
, vol.106
, pp. 132-144
-
-
Haas, G.1
Deittert, C.2
Köpke, U.3
-
11
-
-
34547866788
-
-
Boller, B.C., Luescher, A., and Zanetti, S. 2003. Schätzung der biologischen Stickstoff-Fixierung in Klee-Gras-Beständen. Schriftenreihe Nr. 45 der Eidgenössischen Forschungsanstalt für Agrarökologie und Landbau, Zürich-Reckenholz, Switzerland. p. 47-54.
-
Boller, B.C., Luescher, A., and Zanetti, S. 2003. Schätzung der biologischen Stickstoff-Fixierung in Klee-Gras-Beständen. Schriftenreihe Nr. 45 der Eidgenössischen Forschungsanstalt für Agrarökologie und Landbau, Zürich-Reckenholz, Switzerland. p. 47-54.
-
-
-
-
12
-
-
3543130722
-
2-Fixierung durch Weissklee zur Stickstoffbilanz von Grünlandflächen
-
2-Fixierung durch Weissklee zur Stickstoffbilanz von Grünlandflächen. Landbauforschung Völkenrode 45:67-74.
-
(1995)
Landbauforschung Völkenrode
, vol.45
, pp. 67-74
-
-
Weissbach, F.1
-
14
-
-
34547912978
-
Symbiotische Stickstoff-Fixierung und Vorfruchtwirkung von Ackerbohnen (Vicia faba L.)
-
Verlag Dr. Köster, Berlin, Germany
-
Köpke, U. 1987. Symbiotische Stickstoff-Fixierung und Vorfruchtwirkung von Ackerbohnen (Vicia faba L.). Habilitationsschrift, University of Goettingen, Neuauflage 1996. Verlag Dr. Köster, Berlin, Germany.
-
(1987)
Habilitationsschrift, University of Goettingen, Neuauflage 1996
-
-
Köpke, U.1
-
15
-
-
0001792246
-
Nutrient management in organic farming systems: The case of nitrogen
-
Köpke, U. 1995. Nutrient management in organic farming systems: The case of nitrogen. Biological Agriculture and Horticulture 11:15-29.
-
(1995)
Biological Agriculture and Horticulture
, vol.11
, pp. 15-29
-
-
Köpke, U.1
-
16
-
-
34547916901
-
-
Federal Ministry of Nutrition, Anhang zur Musterverwaltungsvorschrift zur Düngeverordnung. Federal Ministry of Nutrition, Agriculture and Forestry, Bonn, Germany
-
Federal Ministry of Nutrition, Agriculture and Forestry. 1996. Anhang zur Musterverwaltungsvorschrift zur Düngeverordnung. Federal Ministry of Nutrition, Agriculture and Forestry, Bonn, Germany.
-
(1996)
Agriculture and Forestry
-
-
-
18
-
-
0035138329
-
Comparing intensive, extensified and organic grassland farming in southern Germany by process life cycle assessment
-
Haas, G., Wetterich, F., and Köpke, U. 2001. Comparing intensive, extensified and organic grassland farming in southern Germany by process life cycle assessment. Agriculture, Ecosystems and Environment 83:43-53.
-
(2001)
Agriculture, Ecosystems and Environment
, vol.83
, pp. 43-53
-
-
Haas, G.1
Wetterich, F.2
Köpke, U.3
-
19
-
-
0036742650
-
A review of farm-scale nutrient budgets for organic farms as a tool for management of soil fertility
-
Watson, C.A., Bengtsson, H., Ebbesvik, M., Loes, A.K., Myrbeck, A., Salomon, E., Schroder, J., and Stockdale, E.A. 2002. A review of farm-scale nutrient budgets for organic farms as a tool for management of soil fertility. Soil Use and Management 18:264-273.
-
(2002)
Soil Use and Management
, vol.18
, pp. 264-273
-
-
Watson, C.A.1
Bengtsson, H.2
Ebbesvik, M.3
Loes, A.K.4
Myrbeck, A.5
Salomon, E.6
Schroder, J.7
Stockdale, E.A.8
-
20
-
-
0030443908
-
Nutrient balances on organically managed grassland farms in Upper Austria (Abstract in English)
-
Wieser, I., Hess, J., and Lindenthal, T. 1996. Nutrient balances on organically managed grassland farms in Upper Austria (Abstract in English). Bodenkultur 47:81-88.
-
(1996)
Bodenkultur
, vol.47
, pp. 81-88
-
-
Wieser, I.1
Hess, J.2
Lindenthal, T.3
-
21
-
-
9744285909
-
Utilization of nitrogen (N) and phosphorus (P) in an organic dairy farming system in Norway
-
Steinshamn, H., Thuen, E., Azzaroli Bleken, M., Tutein Brenoe, U., Ekerholt, G., and Yri, C. 2004. Utilization of nitrogen (N) and phosphorus (P) in an organic dairy farming system in Norway. Agriculture, Ecosystems and Environment 104:509-522.
-
(2004)
Agriculture, Ecosystems and Environment
, vol.104
, pp. 509-522
-
-
Steinshamn, H.1
Thuen, E.2
Azzaroli Bleken, M.3
Tutein Brenoe, U.4
Ekerholt, G.5
Yri, C.6
-
22
-
-
34547905093
-
-
Scheringer, J. 2002. Nitrogen on dairy farms: Balances and efficiency. PhD thesis, University of Goettingen. Excelsior Publisher, Hohengandern, Germany.
-
Scheringer, J. 2002. Nitrogen on dairy farms: Balances and efficiency. PhD thesis, University of Goettingen. Excelsior Publisher, Hohengandern, Germany.
-
-
-
-
23
-
-
0002463953
-
Nutrient balances and measurement of nitrogen losses on mixed ecological farms on sand soils in the Netherlands
-
van der Werff, P.A., Baars, A., and Oomen, G.J.M. 1995. Nutrient balances and measurement of nitrogen losses on mixed ecological farms on sand soils in the Netherlands. Biological Agriculture and Horticulture 11:41-50.
-
(1995)
Biological Agriculture and Horticulture
, vol.11
, pp. 41-50
-
-
van der Werff, P.A.1
Baars, A.2
Oomen, G.J.M.3
-
24
-
-
0028884423
-
Nitrogen turnover on organic and conventional mixed farms
-
Halberg, N., Steen Kristensen, E., and Sillebak Kristensen, I. 1995. Nitrogen turnover on organic and conventional mixed farms. Journal of Agriculture, Environment and Ethics 8: 30-51.
-
(1995)
Journal of Agriculture, Environment and Ethics
, vol.8
, pp. 30-51
-
-
Halberg, N.1
Steen Kristensen, E.2
Sillebak Kristensen, I.3
-
25
-
-
0034009994
-
Phosphorus (P) management in the 'De Marke' dairy farming system
-
Aarts, H.F.M., Habekotté, B., and van Keulen, H. 2000. Phosphorus (P) management in the 'De Marke' dairy farming system. Nutrient Cycling in Agroecosystems 56:219-229.
-
(2000)
Nutrient Cycling in Agroecosystems
, vol.56
, pp. 219-229
-
-
Aarts, H.F.M.1
Habekotté, B.2
van Keulen, H.3
-
26
-
-
0032828593
-
Transfer of phosphorus within three dairy farming systems receiving varying inputs in feed and fertilizers
-
Withers, P.J.A., Peel, S., Mansbridge, R.M., Chalmers, A.C., and Lane, S.J. 1999. Transfer of phosphorus within three dairy farming systems receiving varying inputs in feed and fertilizers. Nutrient Cycling in Agroecosystems 55: 63-75.
-
(1999)
Nutrient Cycling in Agroecosystems
, vol.55
, pp. 63-75
-
-
Withers, P.J.A.1
Peel, S.2
Mansbridge, R.M.3
Chalmers, A.C.4
Lane, S.J.5
-
27
-
-
9644281045
-
Long-term changes in soil fertility in organic arable farming systems in England, with particular reference to phosphorus and potassium
-
Gosling, P. and Shepherd, M. 2005. Long-term changes in soil fertility in organic arable farming systems in England, with particular reference to phosphorus and potassium. Agriculture, Ecosystems and Environment 105:425-432.
-
(2005)
Agriculture, Ecosystems and Environment
, vol.105
, pp. 425-432
-
-
Gosling, P.1
Shepherd, M.2
-
28
-
-
0035707476
-
Long-term changes in extractable soil phosphorus (P) in organic dairy farming systems
-
Loes, A.-K. and Ogaard, A.F. 2001. Long-term changes in extractable soil phosphorus (P) in organic dairy farming systems. Plant and Soil 237:321-332.
-
(2001)
Plant and Soil
, vol.237
, pp. 321-332
-
-
Loes, A.-K.1
Ogaard, A.F.2
-
29
-
-
0028255210
-
Investigation on the nutrient cycle and its components of a biodynamically-managed farm
-
Nolte, C. and Werner, W. 1994. Investigation on the nutrient cycle and its components of a biodynamically-managed farm. Biological Agriculture and Horticulture 10: 235-254.
-
(1994)
Biological Agriculture and Horticulture
, vol.10
, pp. 235-254
-
-
Nolte, C.1
Werner, W.2
-
30
-
-
0141906733
-
Approaches to calculating P balance at the field-scale in Europe
-
Tunney, H., Csatho, P., and Ehlert, P. 2003. Approaches to calculating P balance at the field-scale in Europe. Journal of Plant Nutrients and Soil Science 166:438-446.
-
(2003)
Journal of Plant Nutrients and Soil Science
, vol.166
, pp. 438-446
-
-
Tunney, H.1
Csatho, P.2
Ehlert, P.3
-
31
-
-
0141975702
-
Do different methods used to estimate soil phosphorus availability across Europe give comparable results
-
Neyroud, J.-A. and Lischer, P. 2003. Do different methods used to estimate soil phosphorus availability across Europe give comparable results? Journal of Plant Nutrients and Soil Science 166:422-431.
-
(2003)
Journal of Plant Nutrients and Soil Science
, vol.166
, pp. 422-431
-
-
Neyroud, J.-A.1
Lischer, P.2
-
32
-
-
0041662740
-
On-farm nutrient balance assessment to improve nutrient management on organic dairy farms
-
J. Isselstein and G.H. Spatz eds, British Grassland Society, Glos, UK. p
-
Taube, F. and Poetsch, E.M. 2001. On-farm nutrient balance assessment to improve nutrient management on organic dairy farms. In J. Isselstein and G.H. Spatz (eds). Organic Grassland Farming. Symposium European Grassland Federation (EGF), 10-12 July 2001, Witzenhausen, Proceedings, Grassland Science in Europe, Vol. 6. British Grassland Society, Glos., UK. p. 225-234.
-
(2001)
Organic Grassland Farming. Symposium European Grassland Federation (EGF), 10-12 July 2001, Witzenhausen, Proceedings, Grassland Science in Europe
, vol.6
, pp. 225-234
-
-
Taube, F.1
Poetsch, E.M.2
-
33
-
-
33846014171
-
-
Danish Institute of Agricultural Science. Available at Web site:, verified 12 April, 2005
-
Kristensen, S. 2004. Nitrogen balance from dairy farms (2002). Danish Institute of Agricultural Science. Available at Web site: www.lcafood.org/processes/agriculture/N_balance_dairyfarms.htm (verified 12 April 2005).
-
(2002)
Nitrogen balance from dairy farms
-
-
Kristensen, S.1
-
35
-
-
2142778618
-
Perspectives of semi-intensive production systems for dairy farms in northern Germany (Abstract in English)
-
Taube, F., Wachendorf, M., Greef, M., and Wulfes, R. 1997. Perspectives of semi-intensive production systems for dairy farms in northern Germany (Abstract in English). Berichte über Landwirtschaft 75:586-603.
-
(1997)
Berichte über Landwirtschaft
, vol.75
, pp. 586-603
-
-
Taube, F.1
Wachendorf, M.2
Greef, M.3
Wulfes, R.4
-
36
-
-
0034937740
-
Comparison of organic and conventional farming on a grassland farm - 3rd communication: Nutrient balances on supply/withdrawal basis and import/ export basis (Abstract in English)
-
Gruber, L., Steinwender, R., Guggenberger, T., and Plakolm, G. 2001. Comparison of organic and conventional farming on a grassland farm - 3rd communication: Nutrient balances on supply/withdrawal basis and import/ export basis (Abstract in English). Bodenkultur 52:183-195.
-
(2001)
Bodenkultur
, vol.52
, pp. 183-195
-
-
Gruber, L.1
Steinwender, R.2
Guggenberger, T.3
Plakolm, G.4
-
38
-
-
34547890366
-
Öjebynprojektet-ekologisk production av livsmedel. Slutrapport
-
Department of Agricultural Research for Northern Sweden, Swedish University of Agricultural Sciences, Öjebyn
-
Jonsson, S. 2004. Öjebynprojektet-ekologisk production av livsmedel. Slutrapport. Röbäcksdalen Meddelar 5:2004. Department of Agricultural Research for Northern Sweden, Swedish University of Agricultural Sciences, Öjebyn.
-
(2004)
Röbäcksdalen Meddelar
, vol.5
-
-
Jonsson, S.1
-
39
-
-
37049033728
-
Life cycle inventory of 23 dairy farms in south-western Sweden
-
Swedish Institute for Food and Biotechnology. Available at Web site:, verified 24 March 2005
-
Cederberg, C. and Flysjoe, A. 2004. Life cycle inventory of 23 dairy farms in south-western Sweden. Research Report, Swedish Institute for Food and Biotechnology. Available at Web site: www.sik.se/archive/ Pdf-filer-katalog/SR728(1).pdf (verified 24 March 2005).
-
(2004)
Research Report
-
-
Cederberg, C.1
Flysjoe, A.2
-
40
-
-
0036033782
-
Assessment and improvement of the efficiency of nitrogen use in clover based and fertilizer based dairy systems. 1. Benchmarking using farm gate balances
-
Leach, K.A. and Roberts, J. 2002. Assessment and improvement of the efficiency of nitrogen use in clover based and fertilizer based dairy systems. 1. Benchmarking using farm gate balances. Biological Agriculture and Horticulture 20:143-155.
-
(2002)
Biological Agriculture and Horticulture
, vol.20
, pp. 143-155
-
-
Leach, K.A.1
Roberts, J.2
-
41
-
-
33845996416
-
Mineralenoverschot Aver Heino drastisch gedaald na omschakeling
-
ter Veer, D. 2003. Mineralenoverschot Aver Heino drastisch gedaald na omschakeling. PraktijkKompas Rundvee 5:11.
-
(2003)
PraktijkKompas Rundvee
, vol.5
, pp. 11
-
-
ter Veer, D.1
-
42
-
-
34547877290
-
Kosten en saldo Aver Heino hoger na omschakeling
-
Pinxterhuis, I., Hutschemaekers, B., and de Haan, M. 2003. Kosten en saldo Aver Heino hoger na omschakeling. PraktijkKompas Rundvee 5:10-11.
-
(2003)
PraktijkKompas Rundvee
, vol.5
, pp. 10-11
-
-
Pinxterhuis, I.1
Hutschemaekers, B.2
de Haan, M.3
-
43
-
-
34547856325
-
Bioveem in beeld
-
Smolders, G. and Wagenaar, J.P, eds, Praktijkonderzoek Animal Sciences Group van Wageningen UR, Lelystad, The Netherlands
-
Smolders, G. and Wagenaar, J.P. (eds). 2004. Bioveem in beeld. Prakijk en onderzoek op 10 biologische melkveebedrijven, 1997-2001. Praktijkonderzoek Animal Sciences Group van Wageningen UR, Lelystad, The Netherlands.
-
(2004)
Prakijk en onderzoek op 10 biologische melkveebedrijven, 1997-2001
-
-
-
44
-
-
34547871735
-
-
Landbouw Econmisch Instituut. Available at Web site
-
Beldman, A.C.G., Doornewaard, G.J., Tomson, N.C., and Daatselaar, C.H.G. 2003. Strategie en cijfers: Strategische plannen getoetst aan de werkelijkheid - trends en cijfers 1997-2002. Landbouw Econmisch Instituut. Available at Web site: www.praktijkcijfers.nl.
-
(2003)
Strategie en cijfers: Strategische plannen getoetst aan de werkelijkheid - trends en cijfers 1997-2002
-
-
Beldman, A.C.G.1
Doornewaard, G.J.2
Tomson, N.C.3
Daatselaar, C.H.G.4
-
45
-
-
8144222942
-
The performance and nutrient use efficiency of two contrasting systems of organic milk production
-
Weller, R.F. and Bowling, P.J. 2004. The performance and nutrient use efficiency of two contrasting systems of organic milk production. Biological Agriculture and Horticulture 22:261-270.
-
(2004)
Biological Agriculture and Horticulture
, vol.22
, pp. 261-270
-
-
Weller, R.F.1
Bowling, P.J.2
-
46
-
-
0001643885
-
Comparison between conventional and ecological farming systems at Öjebyn
-
Fagerberg, B., Salomon, E., and Jonsson, S. 1996. Comparison between conventional and ecological farming systems at Öjebyn. Swedish Journal of Agricultural Research 26: 169-180.
-
(1996)
Swedish Journal of Agricultural Research
, vol.26
, pp. 169-180
-
-
Fagerberg, B.1
Salomon, E.2
Jonsson, S.3
|