| 000 | 00483nam a2200133 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110811.0 | ||
| 035 | _aF8901000720031 | ||
| 084 | _aEPA REC R2-71-6 1971 | ||
| 245 | _aRemoval of nitrogen from tile drainage: a summary report | ||
| 260 | _aWashington, D.C. : Environmental Protection Agency | ||
| 300 | _a[41] p. | ||
| 440 | _aBio-engineering aspects of agricultural drainage San Joaqui-n Valley, California | ||
| 690 | _aNitrógeno - RemociónAgua - Contaminación - Control | ||
| 999 |
_c65897 _d65897 |
||