000			00668 a2200229 4500
245	1		_aStudies on some important soil physical parameters as affected by cropping and fertilizers application.
300			_a112p.
650			_aWheat
650			_aRice
650			_aCroprotation
650			_aChemico physical properties
650			_aClay soils
650			_aSoil types
650			_aNutrient
650			_aNPK fertilizers
650			_aFertilizer applications
502			_cIARI, Division of Soil Science and Agricultural Chemistry, New Delhi _bPh.D. _d1975
502			_gBiswas, T.D.
100	1		_aSinha, B.K. _d
942			_2udc _cT
901			_aT2874
999			_c137563 _d137563