| 000 | 00500 a2200193 4500 | ||
|---|---|---|---|
| 245 | 1 | _aOptimum cropping strategy for Delhi state . | |
| 300 | _a108p. | ||
| 650 | _aCropping systems | ||
| 650 | _aHuman behaviour | ||
| 650 | _aNitrogen fertilizers | ||
| 650 | _aVarieties | ||
| 650 | _aRain | ||
| 650 | _aWeather | ||
| 502 |
_cIARI, Division of Agricultural Economics, New Delhi _bM.Sc. _d1969 |
||
| 502 | _gSirohi, A.S. | ||
| 100 | 1 | _aAntiporta, D. B. | |
| 942 |
_2udc _cT |
||
| 901 | _aT2015 | ||
| 999 |
_c138747 _d138747 |
||