| 000 | 00619 am a2200205 a 4500 | ||
|---|---|---|---|
| 245 | 1 | _aStudies on nitrogen balance in rice soils of Thanjavur | |
| 300 | _a270p+56Appen.+65Table+12Fig.+5Plates | ||
| 650 | _aNonmetals | ||
| 650 | _aammonium fixation | ||
| 650 | _anitrification nitrogen oxides | ||
| 650 | _aplant produets | ||
| 650 | _acreals | ||
| 650 | _afood grain | ||
| 650 | _agrain seed | ||
| 502 |
_cTamil Nadu Agricultural University,Coimbatore _bPh.D. (Soil Sciences and Agricultural Chemistry) _d1989 |
||
| 502 | _gRamanathan, K.M. | ||
| 100 | 1 |
_aVelu, V. _d |
|
| 942 |
_2udc _cT |
||
| 901 | _aRF2874 | ||
| 999 |
_c151224 _d151224 |
||