| 000 | 00478nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 170101s1992 xx 000 0 und d | ||
| 082 | _aARCH 631.582.095.45 G36R | ||
| 100 | _aGill, Khem Singh | ||
| 245 | _aResearch on rice-wheat cropping systems in the Punjab | ||
| 260 |
_aLudhiana _bPAU _c1992 |
||
| 300 | _a22cm. ; 44 | ||
| 650 | _aCROP ROTATION -- PUNJAB | ||
| 653 | _aCROP ROTATION -- PUNJAB | ||
| 653 | _aRICE -- PUNJAB | ||
| 653 | _aWHEAT -- PUNJAB | ||
| 942 |
_2ddc _cB |
||
| 999 |
_c137577 _d137577 |
||