Computations for estudies of soil fertility and fertilizer requirements
Colwell, J. D.
Computations for estudies of soil fertility and fertilizer requirements J. D. Colwell - ix,297 p.
0851984371
Suelos y fertilidad
Fertilizantes--requerimiento
Fertilizantes
631.8 / COL 1978
Computations for estudies of soil fertility and fertilizer requirements J. D. Colwell - ix,297 p.
0851984371
Suelos y fertilidad
Fertilizantes--requerimiento
Fertilizantes
631.8 / COL 1978