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