00281nam a22001097a 4500003000400000008004100004082001700045100002600062245004900088260002600137300000800163OSt240703b        |||||||| |||| 00| 0 eng d  aR631.4bG96S  aICAR (Gupta, R.P.ed.)  aSoil management to increase crop production.  aNew DelhibICARc1984  a104