[Comparative long-term trials on three cropping systems (bio-dynamic = D, organo-biological = O and conventional K, so-called DOK long-term trials)]
1993
Maeder, P. (Forschungsinstitut fuer Biologischen Landbau, Oberwil (Switzerland)) | Pfiffner, L. | Alfoeldi, T. | Niggli, U. | Spiess, E. | Besson, J.-M.
AGROVOC关键词
书目信息
页码
pp. 7-10
其它主题
Systeme de culture; Agricultura organica
语言
德语
注释
4 ill., 2 graphs, 1 table; 14 ref.
1993-08-15
AGRIS AP
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