00984nam0-22003131i-450-99000206352040332120150619141805.0000206352FED01000206352(Aleph)000206352FED0100020635220030910d1952----km-y0itay50------baengGuide to the chemicals used in crop protectionHubert Martin[Ottawa]Canada Department of Agriculture1952236 p.29 cmIn testa al front.: Dominion of Canada. Department of Agriculture. Science ServiceAntiparassitariRepertoriAntiparassitariGuide632Martin,Hubert351883Canada.Agriculture CanadaITUNINARICAUNIMARCBK99000206352040332161 IX F.1/06DAGENDAGENGuide to the chemicals used in crop protection393791UNINA