000			00620 a2200229 4500
245	1		_aSoil test based fertilizers recommendation for maize-wheat cropping system
300			_a120p.
650			_aTests
650			_aNPK fertilizers
650			_aMaize
650			_aWheat
650			_aCropping systems
650			_aField experimentation
650			_aSampling
650			_aTrace elements
650			_aNutrients
502			_cIARI, Division of Soil Science and Agricultural Chemistry, New Delhi _bPh.D. _d1995
502			_gSingh, K.D.
100	1		_aRao, V.V.A.
942			_2udc _cT
901			_aT5819
999			_c142609 _d142609