000 | 00571 a2200193 4500 | ||
---|---|---|---|
245 | 1 | _aChanges in soil properties in a long term multiple cropping systems. | |
300 | _a200p. | ||
650 | _aCropping system | ||
650 | _aBiological properties | ||
650 | _aChemicophysical properties | ||
650 | _aNPK fertilizers | ||
650 | _aNutrients calcium | ||
650 | _aSulphur | ||
502 |
_cIARI, Division of Soil Science and Agricultural Chemistry, New Delhi _bPh.D. _d1978 |
||
502 | _gGhosh, A.B. | ||
100 | 1 |
_aBabrekar, P.G. _d |
|
942 |
_2udc _cT |
||
901 | _aT3387 | ||
999 |
_c140860 _d140860 |