Symposium [on] weed control in tropical crops papers presented at the ninth Pest Control Council of the Philippines Conference commerating of the tenth anniversary of the Weed Science Society of the Philippines, Inc., Philippine International Convention Center, Manila, May 3-6, 1978. - Weed control in tropical crops; Symposium [on] Weed Control in Tropical Crops (9th : 1978 : Philippine International Convention Center). ([Los Banos] Weed Science Society of the Philippines, 1979)
Jointly published with Philippine Council for Agriculture and Agriculture and Resources Research.
Keywords: Weed control -- Philippines -- Congresses; Tropical crops -- Weed control -- Philippines -- Congresses