| 000 | 00545 am a2200193 a 4500 | ||
|---|---|---|---|
| 245 | 1 | _aLinetics of urea hydrolysis and nitification in some soils of Punjab | |
| 300 | _a84p. | ||
| 650 | _aHydrolysis | ||
| 650 | _aNitriacation | ||
| 650 | _aSoil fertility | ||
| 650 | _aPunjab | ||
| 650 | _aKinematics | ||
| 650 | _aMechanics | ||
| 502 |
_cPunjab Agricultural University, Dartment of Soils, Ludhiana _bM.Sc. (Soil Fertility) _d1990 |
||
| 502 | _gSingh, Major | ||
| 100 | 1 |
_aSingh, Bhupinderpal _d |
|
| 942 |
_2udc _cT |
||
| 901 | _aRF9090 | ||
| 999 |
_c145321 _d145321 |
||