TY - BOOK AU - Reddy,Yellamanda T. AU - Reddi, Sankara G. H. TI - Principles of agronomy SN - 8127202827 U1 - 630 22 PY - 2003/// CY - New Delhi PB - Kalyani Publishers KW - Agronomy KW - Crops N1 - Includes index ER -