Manures and fertilizers
Yawalkar, K.S., Agarwal, J.P.
Manures and fertilizers by K.S. Yawalkar and J.P. Agarwal - Nagpur 1962 - 251 p.
Manure
Fertilizer
631.8 / Y 35 M
Manures and fertilizers by K.S. Yawalkar and J.P. Agarwal - Nagpur 1962 - 251 p.
Manure
Fertilizer
631.8 / Y 35 M