| 000 | 00897nam a2200253Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1985 xx 000 0 und d | ||
| 082 | _a633.111 S92R | ||
| 100 | _aSUKHRAJ Singh | ||
| 245 | 0 | _aResponse of maize and wheat in rotation to nitrogen and phosphorus in ralation to levels of preparatory tillage | |
| 260 |
_bP.A.U Ludhiana _c1985 |
||
| 300 | _a113,19L | ||
| 520 | _aPreparatory tillage levels ( zero, 1 and 4 cultivations) were tested under varying levels of N (60, 90 and 120 kg/ha) and P (0 and 60 kg P20S/ha). Different levels of tillage did not cause a significant change in the grain and yield of maize and wheat. Th | ||
| 650 | _aWHEAT | ||
| 653 | _aAGRONOMY | ||
| 653 | _aCROP PROD | ||
| 653 | _aFERTILIZER | ||
| 653 | _aMAIZE | ||
| 653 | _aMAIZE | ||
| 653 | _aROTATION OF CROPS | ||
| 653 | _aTILLAGE | ||
| 653 | _aWHEAT | ||
| 653 | _aWHEAT | ||
| 942 |
_2ddc _cT |
||
| 999 |
_c66799 _d66799 |
||