00373nam a2200133Ia 4500008004100000082001400041100002800055245002700083260003300110300000800143650004100151650003400192653001300226170901s1959    xx            000 0 und d  a631bM84P  aMudaliar, V. T. Subbiah 0aPrinciples of Agronomy  aMadrasbS. Viswanathanc1959  a487  aAgriculture and related technologies  aTechnology (Applied sciences)  aAgronomy