00414    a2200157   4500020001500000082001600015100002000031245001700051260004900068300002100117650004100138650002400179650001700203650001700220700001900237  a0852263023  a631.43bGHI  aGhildyal, B. P.  aSoil physics  aNew DelhibWiley Eastern Limitedc1987g1987  aviii,656p.c24cm  aAgriculture and related technologies  aSpecific techniques  aSoil science  aSoil physics  aTripathi, R. P