Nitrogen in Indian agriculture (1961-70) : a bibliography of N, NP, NK, NPK and other related factors
Tandon, H.L.S., comp.
Nitrogen in Indian agriculture (1961-70) : a bibliography of N, NP, NK, NPK and other related factors compiled by H. L. S. Tondon - New Delhi European Nitrogen Service Programme - xix, 466 p.; 23cm.
016.631 84 T155N
Nitrogen in Indian agriculture (1961-70) : a bibliography of N, NP, NK, NPK and other related factors compiled by H. L. S. Tondon - New Delhi European Nitrogen Service Programme - xix, 466 p.; 23cm.
016.631 84 T155N