Comparative effects upon soil fertility of mineral fertilizers and organic manures when used separately and together
Hesse, P. R. ; Misra, R. V.
Comparative effects upon soil fertility of mineral fertilizers and organic manures when used separately and together - 2004 - vii 114p.
Project field dacument no- 14
Comparative effects upon soil fertility of mineral fertilizers and organic manures when used separately and together - 2004 - vii 114p.
Project field dacument no- 14