00418nam a22001457a 4500003000400000008004100004082001700045100002200062245012100084260002100205300000900226502001500235650001300250650000900263OSt260502b        |||||||| |||| 00| 0 eng d  a633.15bM27S  aMahto, Deo Nandan  aTo Study the Effect of Different Levels of Tillage on Growth and Yield of Maize (Lea mays L.) in Chotanagpur Plateau  aPusabRAU c1979  a65P.  bMsc.d1979  aAgronomy  aMsc.