00422nam a2200181Ia 4500008004100000041001200041082000800053082001100061100001600072100001100088245005300099260001400152260000900166260000900175300001500184365002500199650001600224150909s9999    xx            000 0 und d  aEnglish  a630  bJOS/AG  aJoshi A B    eEditor  aAgricultural year book new vistas in crop yields  aNew Delhi  bICAR  c1979  a708  Pages  aRs.111                aAgriculture