TY - BOOK AU - VISALAKSHI.A AU - Dr.M.R. GOPALAKRISHNAN NAIR TI - DISSIPATION OF PHORATE RESIDUES IN SOIL AND COWPEA PLANT IN RELATION TO PEA APHID CONTROL AND SOIL MICROBE POPULATION U1 - K86 N77 PY - 1977/// CY - COLLEGE OF AGRICULTURE VELLAYANI PB - DEPARTMENT OF AGRICULTURAL ENTOMOLOGY ER -