(Ecofarming in relation to the nutrient content of soils. Experimental results of the research project on "Alternative farming - Boschheide Farm" (North Rhine-Westphalia), 1979-1992)
1994
Pfaffrath, A.
AGROVOC关键词
书目信息
页码
pp. 15-16
其它主题
Biologisch-dynamischer landbau; Fertilite du sol; Agricultura organica; Rhenanie du nord westphalie; Ordenacion de cultivos
语言
德语
注释
2 graphs; 8 ref.
1995-08-15
AGRIS AP
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