TY - BOOK AU - T.Yellamanda Reddy AU - G.H.Sankara Reddi, TI - Principles of Agronomy SN - 81-7663-052-7 U1 - 630 PY - 2001/// CY - Ludhiana PB - Kalyani Publishers N1 - T.Yellamanda Reddy & G.H.Sankara Reddi: Principles of Agronomy. (2nd Rev Enlg Ed) Ludhiana. Kalyani Publishers, 2001. 81-7663-052-7--(630RED) ER -