000 00488 a2200181 4500
245 1 _aInteraction between humic substances and soil microorganisms.
300 _a136p.
650 _aSoil structural units
650 _aHumic acid
650 _aSoil types
650 _aOrganic fertilizers
650 _aBacteria
502 _cIARI, Division of Microbiology, New Delhi
_bPh.D.
_d1970
502 _gGaur, A.C.
100 1 _aBhardwaj, K.K.R.
_d
942 _2udc
_cT
901 _aT2054
999 _c140177
_d140177