000 00464 a2200157 4500
082 _a631
_bGUP
090 _c21654
_d33726
100 _aGupta, A. K.
245 _aPractical manual for agricultural chemistry
_bpart 1
260 _aNew Delhi
_bKalyani publishers
_c1989
_g1989
300 _ax,222p.
_c21cm
650 _aSpecific techniques;apparatus,equipment,materials
650 _aAgriculture and related technologies
700 _aVarshney, M. L.
942 _cL
999 _c49111
_d49111