000			00531 a2200205 4500
245	1		_aAnalysis of long-term experiments and experiments on crop rotations.
300			_a66p.
650			_aCrop rotation
650			_aAgronomy
650			_aDesign
650			_aExperimentation
650			_aData collection
650			_aFertility
650			_ayield
502			_cIARI, Division of Agricultural Statistics, New Delhi _bPh.D. _d1980
502			_gDey, A.
100	1		_aOhri, N.K.
942			_2udc _cT
901			_aT3392
999			_c137815 _d137815