Walia, U.S. Science of agronomy / U.S. Walia, S.S. Walia and D.S. Kler. ... (et al). - New delhi Scientific pub 2011 - ix, 605p. : ill. ; hbk ISBN: 9788172336981 Subjects--Topical Terms: Agriculture LC Class. No.: SW94.5.S85.W3 2011