176
Magdoff F., Van Es Y., 2009. Cornell university. Building Soils for Better Crops: Sustainable Soil Manage-
ment. 3rd ed. p. cm. -- (Handbook series ; bk. 10). P. 294
Clarke, M.S., Horwarth, W.R., Shennan, C. and Scow, K.M. 1998. Changes in soil chemical properties re-
sulting from organic and low-input farming practices. Agronomy Journal. 90: 662-671.
Colley M.R. and Dillon M.J. 2004. The next great challenge: breeding seed for organic systems. Organic
Farming Research Foundation Information Bulletin, Number 13. Organic Farming Research Foundation.
Santa Cruz, CA.
Deborah L., Crop protection in organic agriculture .- In: Kristensen, P.; Taji, A. and J. Renagold (eds): Organ-
ic agriculture – a global perspective- CSIRO Publishing, Australia. P.93-121.
Dufour, R. 2001. Biointensive integrated pest management [Online]. ATTRA Publication #IP049. National
Sustainable Agriculture Information Service. Available at: http://www.attra.org/attra-pub/ipm.html (verified
11 March 2010).
Eickhout, B., Bouwman, A.F., and van Zeijts, H., 2006, The role of nitrogen in world food production and en-
vironmental sustainability, Agric. Ecosys. Environ. 116: 4-14.
EUR-Lex 2003. Protocol on Protection and Welfare of Animals, http://europa.eu.int/eur-lex/
en/treaties/selected/livre348.html
Evans, J., Scott, G. Lemerle, D. Kaiser A., Orchard,
В., Murray, G.M. and Armstrong, E.L. 2003. The impact
of legume 'break' crops on the yield and grain quality of wheat and relationship with soil mineral N and
crop N content.
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