Johnson, Fred R.
Johnson, Fred, entomoloog
Johnson, Fred
VIAF ID: 72972067 ( Personal )
Permalink: http://viaf.org/viaf/72972067
Preferred Forms
- 100 1 _ ‡a Johnson, Fred
- 100 1 0 ‡a Johnson, Fred R.
- 100 1 _ ‡a Johnson, Fred R.
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Works
Title | Sources |
---|---|
Demonstration spraying in Pennsylvania in-1907 | |
grape-leaf skeletonizer | |
The grape root-worm : with special reference to investigations in the Erie grape belt from 1907 to 1909 | |
grape scale | |
lesser apple worm | |
lesser peach borer | |
Life history of the codling mith and its control on pears in California | |
Notes on the peach bud mite | |
Papers on deciduous fruit insects and insecticides. | |
peach-tree barkbeetle | |
pear thrips | |
spring canker-worm | |
Tree planting in the Great Plains region [MI] 1928 | |
trumpet leaf-miner of the apple | |
Vineyard spraying experiments against the rose-chafer in the Lake Erie Valley | |
When beliefs collide with culture...what then? : a study of the christian faith in a secular culture |