Singh, S. S. (1988). Principles and practices of agronomy (2.). Kalyani Publishers.
Chicago Edition CitationSingh, S S. Principles and Practices of Agronomy. 2. New Delhi: Kalyani Publishers, 1988.
MLA Edition CitationSingh, S S. Principles and Practices of Agronomy. 2. Kalyani Publishers, 1988.
Warning: These citations may not always be 100% accurate.