Widdowson, R. W. Towards holistic agriculture : a scientific approach / R. W. Widdowson ; pref. Eve Balfour

Towards holistic agriculture : a scientific approach / R. W. Widdowson ; pref. Eve Balfour . - xxa Oxford xxa-fimyyc Pergamon Press yyc-fim, cop. 1987 . - 187 p. 23 cm
Encadernado
Agricultura
Alimentação
Doenças
Solos
Fertilizantes
Ecologia
Nutrientes
Pecuária