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Language: en
Pages: 56
Pages: 56
Type: BOOK - Published: 2018-01-10 - Publisher: Forgotten Books
Excerpt from The Control of Red Spiders in Deciduous Orchards The variations in rate associated with the above temperature changes are in accordance with Ewing'
Language: en
Pages:
Pages:
Type: BOOK - Published: 1922 - Publisher:
Language: en
Pages: 83
Pages: 83
Type: BOOK - Published: 1922 - Publisher:
Language: en
Pages:
Pages:
Type: BOOK - Published: 1922 - Publisher:
Language: en
Pages: 22
Pages: 22
Type: BOOK - Published: 2018-09-28 - Publisher: Forgotten Books
Excerpt from The Red Spider of Citrus Trees This sulfid of potash is of very little value, at least at this strength, as an insecticide, but is effective enough