00421nam a2200133Ia 4500008004100000082002900041100003400070245005000104260005900154300000900213600001600222600003200238650001700270130903s9999    xx            000 0 und d  aPH631.445.53:631.61   M1  a R.Parshad (and) J.S.P.Yadav.  aAlkali soil reclamation questions and answers  aKarnalbCentral Soil Salinity Research Institutec1981  a38p.  aParshad, R.  aYadav, J.S.P., joint author  aAlkali lands