| 000 | 00521 am a2200157 a 4500 | ||
|---|---|---|---|
| 245 | 1 | _aStudies on the management of nitrogen and phosphorus fertilisers in rice based cropp ing systems. | |
| 300 | _a247p. + Fig.11 + Tab.41 + Appen.3 | ||
| 650 | _aPhosphorus fertilizer | ||
| 650 | _aContinuous cropping | ||
| 650 | _aRice management | ||
| 502 |
_cAndhra Pradesh Agric. Univ. _bPh. D. (Agronomy) _d1985 |
||
| 502 | _gReddi, M. Ranga | ||
| 100 | 1 |
_aAudinarayana, M _d |
|
| 942 |
_2udc _cT |
||
| 901 | _aRF5012 | ||
| 999 |
_c147503 _d147503 |
||