00338nam a22001217a 4500003000400000008004100004082001700045100002000062245006900082260001600151300000700167650004200174OSt260602b        |||||||| |||| 00| 0 eng d  a631.46bB51E  aBhupendra Kumar  aEffect of Tillage and Crop Residues on Soil Properties and Yield  aRPCAUc1997  a99  aMSc. Soil Science and Agril Chemistry