| 000 | 00430 a2200157 4500 | ||
|---|---|---|---|
| 080 |
_a631.95 _bA 512 R |
||
| 245 | 1 |
_aAmerican Institute of Crop Ecology series, study _bNo. 20 : _cby M.Y. Nuttonson |
|
| 260 |
_aWashington _c1958 |
||
| 650 | _aAgricultural Ecology | ||
| 650 | _aCrop Ecology | ||
| 650 | _aRye-Climate | ||
| 650 | _aPhoto-Thermal Requirements | ||
| 100 | 1 |
_aNuttonson, M.Y. _d |
|
| 300 | _a219 p. | ||
| 901 | _a62315 | ||
| 999 |
_c45654 _d45654 |
||