000			00698 a2200229 4500
245	1		_aInfluence of source of phosphatic fertilizers and cover crops on the management of phosphate nutrition in soils of Rubber plantations.
300			_a72p.
650			_aRock phosphate
650			_aNutrient
650			_aAcids soils
650			_aSoil fertility
650			_aFertilizer applications
650			_aBiomass
650			_aField
650			_aExperimentation
650			_aRubber crops
502			_cIARI, Division of Soil Science and Agricultural Chemistry, New Delhi _bPh.D. _d1992
502			_gNarayanasamy, G.
100	1		_aSuresh, P.R. _d
942			_2udc _cT
901			_aT5470
999			_c139672 _d139672