Hybrid Seed Production in Field Crops (Principles and Practices) - N.C. Singhal (Ludhiana Kalyani Publishers, 2003)
N.C. Singhal: Hybrid Seed Production in Field Crops (Principles and Practices). Ludhiana. Kalyani Publishers, 2003. 81-272-0799-3 Rs. 195.00--(631.521SIN)
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