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Fertilizers and high yielding varieties of rice, wheat and maize in the developing countries : published on the occasion of the 2nd World Food Congress
(1970)
World fertilizer review and prospects to 1980/81
Reidinger, Richard B., (1976)
An overview of the global fertilizer trends and India’s position in 2020
Randive, Kirtikumar, (2021)
North and South : presidential address
Allen, G. R., (1982)
Cold war, world poverty and land-grant colleges
Allen, G. R., (1962)
Agricultural marketing policies
Allen, G. R., (1959)