Comittee on the Role of alternative Farming Methods in Modern Production Agriculture Alternative agriculture / Committee on the Role of alternative Farming Methods in Modern Production Agriculture, Board on Agriculture, National Research Council

Alternative agriculture / Committee on the Role of alternative Farming Methods in Modern Production Agriculture, Board on Agriculture, National Research Council . - xxa Washington DC xxa-fimyyc National Academy Press yyc-fim, 1989 . - 14, 448 p. 26 cm
(Brochado)
Agricultura
Estados Unidos da América (EUA)