Nitrogen in Indian agriculture, 1961-70;
a bibliography of N, NP, NK, NPK, and other related factors.

APA Citation

European Nitrogen Service Programme., Tandon, H. L. S. (Hari Lal Singh). (1972). Nitrogen in Indian agriculture, 1961-70: a bibliography of N, NP, NK, NPK, and other related factors. New Delhi.

MLA Citation

European Nitrogen Service Programme, and H. L. S. (Hari Lal Singh) Tandon. Nitrogen In Indian Agriculture, 1961-70: a Bibliography of N, NP, NK, NPK, And Other Related Factors. New Delhi, 1972.

Warning: These citations may not always be complete (especially for serials).