TY  - BOOK
AU  - K K RAVINDRAN NAIR
AU  - N MOHAN DAS
TI  - STUDIES ON THE POPULATION OF SOIL NEMATODES IN RELATION TO CRTAIN CHEMICAL AND BIOTIC FACTORS OF SOIL
U1  - K86 N69 RA 35 
PY  - 1969///
CY  - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI
PB  - DIVISION OF ENTOMOLOGY
ER  -