00440nam a2200157Ia 4500008004100000020001500041082001400056100002500070245002700095260003900122300000800161650004100169650003400210653001300244700002500257170901s1992    xx            000 0 und d  a8127202827  a631bR26P  aReddy, T. Yellamanda 0aPrinciples of Agronomy  aLudhianabKalyani Publishersc1992  a526  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgronomy  aReddi, G. H. Sankara