Agarwal, J.P. Yawalkar, K S
Manures and fertilizers - Nagpur, Agri - horticultural publishing house 1962 - 245
Plant nutrition/ organic manures/ commerical fertilizers
631.81 YAW
100
Manures and fertilizers - Nagpur, Agri - horticultural publishing house 1962 - 245
Plant nutrition/ organic manures/ commerical fertilizers
631.81 YAW
100