Study on the use of fertilizers and manures in agricultural production
India. Planning Commission. Programe Evaluation Organisation
Study on the use of fertilizers and manures in agricultural production - New Delhi 1967 - 24cm. : 187 - P.E.O. publication, no. 56 .
FERTILIZERS AND MANURES
FERTILIZERS AND MANURES
631.8 I-2S
Study on the use of fertilizers and manures in agricultural production - New Delhi 1967 - 24cm. : 187 - P.E.O. publication, no. 56 .
FERTILIZERS AND MANURES
FERTILIZERS AND MANURES
631.8 I-2S