| 000 | 00507 am a2200181 a 4500 | ||
|---|---|---|---|
| 245 | 1 | _aIncreasing nitrogen use efficiency in upland soils. | |
| 300 | _a180p.+29Table+11Fig | ||
| 650 | _aSoil science | ||
| 650 | _aSoil chemistry | ||
| 650 | _aNitrogen fertilizer | ||
| 650 | _aSoils | ||
| 650 | _aLandtypes | ||
| 502 |
_cCollege of Agriculture, Vellayani, Trivandrum _bM. Sc. (Agriculture) _d1982 |
||
| 502 | _gPadmaja, P. | ||
| 100 | 1 |
_aSathianathan, K. M. _d |
|
| 942 |
_2udc _cT |
||
| 901 | _aRF6035 | ||
| 999 |
_c148354 _d148354 |
||