Agriculture Reference
In-Depth Information
Pulleman, M., Jongmans A., Marinissen, J. and Bouma, J. (2003). Effects of organic versus
conventional arable farming on soil structure and organic matter dynamics in a marine
loam in the Netherlands. Soil Use and Management 19: 157-165.
Rasmussen, I.A., Askegaard, M. and Olesen, J.E. (1999). Weed control in organic crop rota-
tions for grain production. In: Gut, D. (ed.) Proceedings 11th EWRS Symposium . Basel,
Switzerland. European Weed Research Society (EWRS), Wageningen. p. 98.
Rasmussen, J. 2003. Punch planting, flame weeding and stale seedbed for weed control in row
crops. Weed Research 43: 393-403.
Schmidt, H., Philipps, L., Welsh, J.P. and von Fragstein, P. 1999. Legume breaks in stockless
organic farming rotations: nitrogen accumulation and influence on the following crops.
Biological Agriculture and Horticulture 17: 159-170.
Siegrist, S., Schaub, D., Pfiffner, L. and Mäder, P. 1998. Does organic agriculture reduce soil
erodibility? The results of a long-term field study on loess in Switzerland. Agriculture,
Ecosystems and Environment 69: 253-264.
Stolze, M., Piorr, A., Häring, A. and Dabbert, S. (eds) 2000. The Environmental impacts of
Organic Farming in Europe . University of Hohenheim Press, Hohenheim.
Stopes, C., Millington, S. and Woodward, L. 1996. Dry matter and nitrogen accumulation by
three leguminous green manure species and the yield of a following wheat crop in an
organic production system. Agriculture, Ecosystems and Environment 57: 189-196.
van Bruggen, A.H.C. and Termorshuizen, A.J. 2003. Integrated approaches to root disease
management in organic farming systems. Australasian Plant Pathology 32: 141-156.
van der Weerden, T.J., Sherlock, R.R., Williams, P.H. and Cameron, K.C. 2000. Effect of three
contrasting onion ( Allium cepa L.) production systems on nitrous oxide emissions from
soil. Biology and Fertility of Soils 31: 334-342.
Wijnands, F.G. 1999. Crop rotations in organic farming: theory and practice. In: Olesen, J.E.,
Eltun, R., Gooding, M.J., Steen Jensen, E. and Köpke, U. (eds) Proceedings of the Workshop
'Designing and Testing Crop Rotations for Organic Farming' . Borris, Denmark. DARCOF,
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Zanin, G., Otto, S., Riello, L. and Borin, M. 1997. Ecological interpretation of weed flora
dynamics under different tillage systems. Agriculture Ecosystems and Environment 66:
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