TY - BK ED - Oregon State Univ., Corvallis (USA). International Plant Protection Center. FAO, Rome (Italy). Agriculture Dept TI - Instructor's manual for weed management T2 - FAO Training Series SN - 92-5-102279-8 U1 - 88-045214 PY - 1986/// CY - Rome (Italy) PB - FAO, KW - Control KW - Education KW - Pest control KW - Weeds and weed control ER -