Excerpt from San Jos??? Scale-Insect Experiments in 1904 At the time of cutting twigs to examine the insects prior to spraying, the best looking infested twigs were selected, but the extent of this winter injury could not then be determined. But in many cases the infested wood was injured or dead and most or all of the scale-insects were dead in consequence, before the spray was applied. In June, when the twigs were cut for the second examination to show the effect of the treatment, the trees were in leaf and it was easy ...
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Excerpt from San Jos??? Scale-Insect Experiments in 1904 At the time of cutting twigs to examine the insects prior to spraying, the best looking infested twigs were selected, but the extent of this winter injury could not then be determined. But in many cases the infested wood was injured or dead and most or all of the scale-insects were dead in consequence, before the spray was applied. In June, when the twigs were cut for the second examination to show the effect of the treatment, the trees were in leaf and it was easy to distinguish the living from the dead branches. Only living branches, of course, were examined at this time, and in some cases the number of living insects after the treat ment exceeded the number found on the injured branches at the first examination. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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Add this copy of San Jos Scaleinsect Experiments in 1904 Classic Reprint to cart. $13.49, new condition, Sold by Books2anywhere rated 5.0 out of 5 stars, ships from Fairford, GLOUCESTERSHIRE, UNITED KINGDOM, published 2019 by Forgotten Books.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
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PLEASE NOTE, WE DO NOT SHIP TO DENMARK. New Book. Shipped from UK in 4 to 14 days. Established seller since 2000. Please note we cannot offer an expedited shipping service from the UK.
Add this copy of San José Scale-Insect Experiments in 1904 (Classic to cart. $33.85, new condition, Sold by Paperbackshop rated 4.0 out of 5 stars, ships from Bensenville, IL, UNITED STATES, published 2019 by Forgotten Books.
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