Agarwal, J.P. Yawalkar, K S
Manures and fertilisers - Nagpur, Horticultural publishing house 1962 - 245
Plant nutrition/ organic manures/ nitrogenous fertilizers/ mixed fertilizers
631.8 YAW
100
Manures and fertilisers - Nagpur, Horticultural publishing house 1962 - 245
Plant nutrition/ organic manures/ nitrogenous fertilizers/ mixed fertilizers
631.8 YAW
100