Reddy, Yellamanda T. Principles of agronomy / BY S.R.Reddy - 2nd ed. - New Delhi : Kalyani Pub. , c2005. - vi, 526 p. : illus. ; 24 cm. Include Reference and index. ISBN: 8127202827 8127214531 Subjects--Topical Terms: Agronomy.Crops. Dewey Class. No.: 630 / REP