000			00621 a2200205 4500
100	1		_aLandey, R.J.
502			_gRaychaudhuri, S.P.
245	1		_aRole of different soil reactions ( pH ) and availability of the plant nutrients, phosphorus and potassium.
300			_a72p.
650			_aSoil types
650			_aPhosporus
650			_aPotassium
650			_aVariation
650			_aSoil profile
650			_aPlant nutrition
650			_aFertilizer applications
502			_cIARI, Division of Soil Science And Agricultural Chemistry, New Delhi _bAssociateship _d1956
942			_2udc _cT
901			_aT581
999			_c137289 _d137289