On the Control of Cereal And Forage Crop Pests, Copyright ..
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To quickly assess the difficulty of the text, read a short excerpt:
Bulletin No. 779.
In making tests to control the conchuela Dr. A. W. Mor- rill, the agent of the Bureau of Entomology making the tests, also incidentally made use of a gasoline torch After saying that the bugs had in a certain test case in Mexico, for the time being congregated in a vineyard of about 10 acres, and that each cluster of grapes was attacked by several bugs, and that the maximum number noted on a single cluster was 25, he says the grapes were picked by the owner without consultatio...n with him. "This step was, how^ever, inadvisable, since the fruit, which was of comparatively small value, would have served as a trap at which the bugs could have been easily destroyed when so thickly concentrated. As it was, the bugs gathered in groups of hundreds on the trellis posts and on the vines, principally at the forks, where they were destroyed partly by spraying and partly by the use of a gasoline blast-torch. The last mentioned method, while effective in its destruction of the pest, injured the vines to a certain extent in nearly all cases." (p.
What to read after On the Control of Cereal And Forage Crop Pests, Copyright ..?
You can find similar books in the "Read Also" column, or choose other free books by Fred Reinlein to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Bulletin No. 779.
In making tests to control the conchuela Dr. A. W. Mor- rill, the agent of the Bureau of Entomology making the tests, also incidentally made use of a gasoline torch After saying that the bugs had in a certain test case in Mexico, for the time being congregated in a vineyard of about 10 acres, and that each cluster of grapes was attacked by several bugs, and that the maximum number noted on a single cluster was 25, he says the grapes were picked by the owner without consultatio...n with him. "This step was, how^ever, inadvisable, since the fruit, which was of comparatively small value, would have served as a trap at which the bugs could have been easily destroyed when so thickly concentrated. As it was, the bugs gathered in groups of hundreds on the trellis posts and on the vines, principally at the forks, where they were destroyed partly by spraying and partly by the use of a gasoline blast-torch. The last mentioned method, while effective in its destruction of the pest, injured the vines to a certain extent in nearly all cases." (p.
What to read after On the Control of Cereal And Forage Crop Pests, Copyright ..?
You can find similar books in the "Read Also" column, or choose other free books by Fred Reinlein to read onlineMoreLess
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