Types of vegetation in the San Joaquin Valley of California and their relation to the beet leafhopper /
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| Main Author: | |
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| Format: | Texto biblioteca |
| Language: | d |
| Published: |
Washington, D. C. : U.S. Dept. of Agriculture,
1937
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| Subjects: | BEET LEAF-HOPPER-CALIFORNIA, VIRUS DISEASES OF PLANTS-CALIFORNIA, CURLY-TOP, Lawson, Francis R., |
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