000 | 00591 a2200217 4500 | ||
---|---|---|---|
245 | 1 | _aPhosphorus availability in relation to characteristics of major soil series of Delhi | |
300 | _a92p. | ||
650 | _aPhosphorus | ||
650 | _aSoil texture | ||
650 | _aSoil fertility | ||
650 | _aNitrogen | ||
650 | _aSoil types | ||
650 | _aSoil PH | ||
650 | _aTrace elements | ||
650 | _aCarbon | ||
502 |
_cIARI, Division of Soil Science and Agricultural Chemistry, New Delhi _bM.Sc. _d1989 |
||
502 | _gHasan, R. | ||
100 | 1 | _aKumar, K. | |
942 |
_2udc _cT |
||
901 | _aT4892 | ||
999 |
_c142181 _d142181 |