K K RAVINDRAN NAIR
STUDIES ON THE POPULATION OF SOIL NEMATODES IN RELATION TO CRTAIN CHEMICAL AND BIOTIC FACTORS OF SOIL - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF ENTOMOLOGY 1969 - 49p.
K86 N69 RA 35
STUDIES ON THE POPULATION OF SOIL NEMATODES IN RELATION TO CRTAIN CHEMICAL AND BIOTIC FACTORS OF SOIL - MSc - AGRICULTURAL COLLEGE AND RESEARCH INSTITUTE VELLAYANI DIVISION OF ENTOMOLOGY 1969 - 49p.
K86 N69 RA 35