India Journal of Agronomy. v.36, 1991
Singh, S.P., ed.
India Journal of Agronomy. v.36, 1991 edited by S.P.Singh - New Delhi Indian Society of Agronomy 1991 - v.36, varies p.; 24cm.
0537197X
India Journal of Agronomy. v.36, 1991 edited by S.P.Singh - New Delhi Indian Society of Agronomy 1991 - v.36, varies p.; 24cm.
0537197X