| 000 | 00870nam a2200205Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1992 xx 000 0 und d | ||
| 082 | _aT 631.8 H30I | ||
| 100 | _aHarjit Singh | ||
| 245 | 0 | _aInfluence of continuous fertilzation to a maize- wheat sequence on the changes in soil properties of P. release. | |
| 250 | _aSoils | ||
| 260 |
_aLudhiana _bP.A.U. _c1992 |
||
| 300 | _a29cm. 51,17 | ||
| 520 | _aOrganic carbon and available nutrients and micronutrients tended to decline with cropping Phosphorus application at both the rates (40 & 80 kg P205 ha-1) alongwith N significantly increased the organic carbon (OC) content. The available N status was nearl | ||
| 650 | _aSOIL FERTILITY | ||
| 653 | _aCROP ROTATION | ||
| 653 | _aMAIZE - - FERTILIZERS AND MANURES | ||
| 653 | _aSOIL FERTILITY | ||
| 653 | _aWHEAT - - FERTILIZER AND MANURES | ||
| 942 |
_2ddc _cT |
||
| 999 |
_c97332 _d97332 |
||