Bureau of Entomology and Plant Quarantine News Letter, 1934-1935, Vol. 2 (Classic Reprint)
Author | : United States Department Of Agriculture |
Publisher | : Forgotten Books |
Total Pages | : 338 |
Release | : 2018-09-10 |
Genre | : Business & Economics |
ISBN | : 9781396091230 |
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Excerpt from Bureau of Entomology and Plant Quarantine News Letter, 1934-1935, Vol. 2 Screenin t - Usi1g a soil sifter of the rolling typ developed at the Alhambra Calif., laboratory, equipped with a screen of l/m inch mesh and with.2 chains fo1 stopping he moving sieve abruptly at both ends of one track; H. C. Donohoe, of the dried fruit insects laboratory at Fresno, attempted to reduce infestation in three varieties of raisins. The fruit was screened after dryin_'on spread trafis'and subsequent drying on stacked trays or rolled paper trays had been completed. The numbers of larvae cfh Ephestia figplilella Greg. Per ton, together with the percentagag of red;uction, are shown below. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.