| 000 | 00352 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aJain, H.K. | |
| 245 | 1 | _aImproving efficiency of nitrogen and phosphorus fertilizers | |
| 260 |
_aNew Delhi _c1980 |
||
| 300 | _a1-24 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aFertilizers Indian Agricultural Research Institute. Research Bulletin. 12 | ||
| 901 | _aS46215 | ||
| 999 |
_c101996 _d101996 |
||