Manures and fertilizers
Yawalkar, K. S.
Manures and fertilizers Yawalkar, K. S. - Nagpur Agri-Horticultural Publishing House 1962 - ix, 251 p.
Fertilisers and manures
631.8
Manures and fertilizers Yawalkar, K. S. - Nagpur Agri-Horticultural Publishing House 1962 - ix, 251 p.
Fertilisers and manures
631.8