| 000 | 00451 a2200133 4500 | ||
|---|---|---|---|
| 001 | 476 | ||
| 008 | |||
| 082 | _a631 | ||
| 084 | _aQdc | ||
| 100 | _aBjarnason, Sigfús | ||
| 245 | _aTurnover of organic nitrogen in agricultural soils and the effects of management practices on soil fertility | ||
| 260 |
_aUppsala _bUniv. _c1988 |
||
| 653 | _aNITROGEN RESEARCH SOIL FERTILITY SOIL MANAGEMENT SOIL SCIENCES SOIL TYPES | ||
| 999 |
_c11735 _d11735 |
||