1. Crop nutrition
Author: Pillai, Kulasekhara Mahadevan.
Library: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
Subject: ، Fertilizers and manures
Classification :
S
633
.
P53
2. Water management and planning
Author: Pillai, K. M. )Kulasekhara Mahadevan(
Library: Central Library of Agricultural (Tehran)
Subject: $AWater resources development$BIndia,$AIrrigation engineering,$AWater resources development,$AWater$BIndia -- Management
Classification :
HD
2072
.
P55
1987