| 000 | 00872nam a2200193Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1983 xx 000 0 und d | ||
| 082 | _a631.8 T12I | ||
| 100 | _aTALUKDAR, Narayan Chandra | ||
| 245 | 0 | _aInfluence of continous application of inorganic fertilizers in a fixed maize-wheat rotation on the changes in nutrient content of soil Ludhiana | |
| 260 |
_bLudhiana _c1983 |
||
| 300 | _a79,13L | ||
| 520 | _aAvailable N determined by hot alkaline permanganate method decreased due to continuous cropping with no or low level of N fer1ilizers Application of increasing level of N with P raised available N and highest increase was from 118 to 132 and 61 to 80 kg/h | ||
| 650 | _aFERTILIZERS AND MANURES | ||
| 653 | _aFERTILIZERS AND MANURES | ||
| 653 | _aMAIZE - WHEAT. NITROGEN. PHOSPHORUS. | ||
| 653 | _aSOIL FERTLLITY | ||
| 653 | _aSOILS | ||
| 942 |
_2ddc _cT |
||
| 999 |
_c66239 _d66239 |
||