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 |