Basic technics in ecological farming



Basic technics in ecological farming papers presented at the 2nd international conference held by the IFOAM, Montrez edited by Stuart Hill, Pierre Ott. - Basel, Switzerland Birkhauser Verlag, 1982. - 365 p. ill. 24 cm.

English and French.

3764313749


Organic farming
Agricultural ecology
Soil fertility

631.584(063) / I61P
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