| 000 | 00449nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 160615s9999 xx 000 0 und d | ||
| 100 | _aWHITEHEAD(D C) | ||
| 245 | _aRole of nitrogen in grassland productivity | ||
| 260 | _aEngland | ||
| 260 | _bCommonwealth Agricultural Bureaux | ||
| 300 | _aviii p. + 202 | ||
| 440 | _a"Commonwealth Bureau of Pastures and Field Crop, Bulletin, 48" | ||
| 942 | _cBooks | ||
| 999 |
_c7918 _d7918 |
||