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Effects of Biodynamic, Organic and Conventional Production Systems on Earthworm Populations
Pfiffner, L., Mäder, P.Volume:
15
Language:
english
Journal:
Biological Agriculture & Horticulture
DOI:
10.1080/01448765.1997.9755177
Date:
January, 1997
File:
PDF, 688 KB
english, 1997