Subjects: *DEFOLIANTS; *DEFOLIATION; *PHYSIOLOGICAL effects of herbicidesCOLOMBIAMONSANTO Co. 845614283 MONSANTO Co. MONSANTO Co. 845614283 845614283 MONSANTO Co. 845614283 MON
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Subjects: *BIODIVERSITY; *EMPLOYMENT; *DRUG controlCOLOMBIA
Subjects: *DRUG control; *AGRICULTURAL chemicals; *HEALTH of farmersCOLOMBIA; UNITED States