00414nam a2200145Ia 4500008004100000020001800041082001600059100001700075245003400092260003900126300000800165650004100173650003400214653002000248170901s2000    xx            000 0 und d  a9789327218589  a631.5bR29P  aReddy, S. R. 0aPrinciples of Crop Production  aLudhianabKalyani Publishersc2000  a790  aAgriculture and related technologies  aTechnology (Applied sciences)  aCrop Production