Dept. of Pure and Applied Chemistry;
Plateau State University Bokkos;
Jos;
Plateau Stae;
Nigeria;
Demonstration Secondary School;
College of Education;
Akwanga;
Nasarawa State;
Nigeria;
Dept. of Chemistry and Agrochemical Technology;
University of Agriculture;
Ma-kurdi;
Benue State;
Nigeria;
Dept. of Microbiology;
Federal University Wukari;
Wukari;
Nigeria;
Akwanga; Pesticide; Residues; Organophosphorous; Maximum; Residue; Limit;