000 | 00598 am a2200205 a 4500 | ||
---|---|---|---|
245 | 1 | _aEffect of different crop rotations on physical properties of soil. | |
300 | _a61p+Appent.2+Bib.+Fig. 11 | ||
650 | _aSoil | ||
650 | _aSoil science | ||
650 | _aSoil analysis | ||
650 | _aSoil chemicophysical properties | ||
650 | _aCrops | ||
650 | _aCrop sotation | ||
650 | _aCroping systems | ||
502 |
_cU. P. Institute of Agricultural Science, Kanpur. _bM. Sc. (Soil Conservation) _c1971 |
||
502 | _gGupta, R. N. | ||
100 | 1 |
_aRam Shankar _d |
|
942 |
_2udc _cT |
||
901 | _aRF6002 | ||
999 |
_c149077 _d149077 |