The effect of various levels of nitrogen, phosphorus and potassium on the fecundity of the two-spotted spider mite Tetranychus Bimaculatus Harvey.
The two-spotted spider mite Tetranychus bimaculatus Harvey has long been one of the most serious pests attacking cucumber in greenhouses. This pest is of particular economic importance in Essex County, Ontario, where cucumber culture under glass is a major commercial practice. Each year mite infesta...
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| Format: | Others |
| Language: | en |
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McGill University
1952
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| Online Access: | http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=123966 |