000 00598 a2200241 4500
245 1 _aEffect of coal acids on nitrogen transformation in soil.
300 _a90p.
650 _aCoal
650 _aAcids
650 _aNitrogen
650 _aSoil
650 _aExperimentation
650 _aGreenhouse
650 _aWheats
650 _aInhibition
650 _aFertilizers
650 _aUrea
502 _cIARI, Division of Soil Science and Agricultural Chemistry, New Delhi
_bM.Sc.
_d1985
502 _gJain, J.M.
100 1 _aPatra, A.K.
_d
942 _2udc
_cT
901 _aT4251
999 _c138524
_d138524