Parasite and predator populations in insecticide-treated corn field [microform]

Xehetasun bibliografikoak
Egile nagusia:	Yadao, Amante Idar
Formatua:	Visual Material
Argitaratua:	Quezon City University of the Philippines Library 1982.
Gaiak:	Corn > Diseases and pests > Philippines > Pangasinan. Corn > Diseases and pest resistance > Philippines > Pangasinan.