Descriptor
| Agriculture | 1 |
| Biology | 1 |
| Botany | 1 |
| Field Crops | 1 |
| Floriculture | 1 |
| Horticulture | 1 |
| Plant Propagation | 1 |
Source
| Sch Sci Math | 1 |
Author
| Hawthorne, Frank S. | 1 |
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Hawthorne, Frank S. – Sch Sci Math, 1969
Descriptors: Agriculture, Biology, Botany, Field Crops
