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Kanwar, J S (1981) Dimensions of problems in rainfed agriculture-problems and prospects of fertiliser use in development of arid and semi-arid areas. Fertiliser News, 26 (11). pp. 3-7. ISSN 0015-0266
Lateef, S S and Reed, W (1981) Survey of insect pest damage in farmers' fields in India. International Pigeonpea Newsletter, 1. pp. 29-30. ISSN 0255-786X