Experiments for the Control of the Grape Root-Worm
Experiments for the Control of the Grape Root-Worm
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In our eReader you can find the full English version of the book. Read Experiments for the Control of the Grape Root-Worm Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Experiments for the Control of the Grape Root-Worm
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On the following day, six dead beetles were found on the sheet underneath the vine sprayed with molasses and arsenate of lead, and about one himdred and fifty dead beetles were found on the ground under the vines of one row, but no beetles were found on the sheets spread under the vines sprayed with the other materials, nor were any to be found on the ground. It seemed to us that the possibility of killing the insects instead of driving them to neighboring vines was worthy of further careful co...nsideration. A favorite criticism of the bordeaux- poison spray with grape growers has been that no dead beetles have been found under tiie sprayed vines, and naturally they are skeptical regarding its . efficiency . For this reason the knowledge that the beetles could be killed was hailed with much enthusiasm by both the growers and the writer. It will be noted that the egg counts are not as favorable as could be desired, but we felt that this material required further experimentation to discover and establish its merits, and as far as possible to eliminate its faults.
What to read after Experiments for the Control of the Grape Root-Worm?
You can find similar books in the "Read Also" column, or choose other free books by Frederick Zeller Hartzell to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
On the following day, six dead beetles were found on the sheet underneath the vine sprayed with molasses and arsenate of lead, and about one himdred and fifty dead beetles were found on the ground under the vines of one row, but no beetles were found on the sheets spread under the vines sprayed with the other materials, nor were any to be found on the ground. It seemed to us that the possibility of killing the insects instead of driving them to neighboring vines was worthy of further careful co...nsideration. A favorite criticism of the bordeaux- poison spray with grape growers has been that no dead beetles have been found under tiie sprayed vines, and naturally they are skeptical regarding its . efficiency . For this reason the knowledge that the beetles could be killed was hailed with much enthusiasm by both the growers and the writer. It will be noted that the egg counts are not as favorable as could be desired, but we felt that this material required further experimentation to discover and establish its merits, and as far as possible to eliminate its faults.
What to read after Experiments for the Control of the Grape Root-Worm?
You can find similar books in the "Read Also" column, or choose other free books by Frederick Zeller Hartzell to read onlineMoreLess
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