000 00397nam a2200157Ia 4500
020 _a81-204-0658-3
082 _a630.2
_bORS
100 _a D.S., Orlov
_958608
245 _aSoil Chemistry
_cD. S. Orlov
260 _aNew Delhi:
_bOxford and IBH Publishing Co,
_c1992.
300 _a390p.;
546 _aeng
650 _aAgricultural chemistry
_958609
700 _aOrlov,D.S.
_958610
942 _cBK
999 _c7668
_d7668