Kerala Agricultural University Central Library Search for 'au:"KRISHNA KUMAR.R"'

Factors responsible for the population build up of rice bug, Leptocorisa acuta thunb and the control of the pest.

By Krishna Kumar R | Visalakshi A. Trivandrum College of Agriculture 1986

By KRISHNA KUMAR.R. COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF AGRICULTURAL ENTOMOLOGY 1998

By KRISHNA KUMAR R. COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF AGRICULTURAL ENTOMOLOGY 1986 . 70p.