Report on the Importation of Parasites and Predaceous Insects PDF Download
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Author: California. State Board of Horticulture
Publisher:
ISBN:
Category : Insect pests
Languages : en
Pages : 22
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Author: California. State Board of Horticulture
Publisher:
ISBN:
Category : Insect pests
Languages : en
Pages : 22
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Author: Albert Koeble
Publisher:
ISBN: 9781373736499
Category : History
Languages : en
Pages : 22
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Author: UNKNOWN. AUTHOR
Publisher: Forgotten Books
ISBN: 9781332621682
Category : Science
Languages : en
Pages : 22
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Excerpt from Report on the Importation of Parasites and Predaceous Insects: By the State Board of Horticulture, in Accordance With an Act of the Legislature, Approved March 31, 1891 This amount has been returned to the State Treasurer, as is shown 'by certificate from Controller's office, No. 163. Our thanks are especially due to Hon. J. M. Rusk, Secretary of Agri culture, and to all who rendered us assistance in this research. Very respectfully. 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.
Author:
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Category :
Languages : en
Pages :
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Author: Curtis Paul Clausen
Publisher:
ISBN:
Category : Animal introduction
Languages : en
Pages : 556
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Author: Charles Valentine Riley
Publisher: Forgotten Books
ISBN: 9780484239684
Category : Social Science
Languages : en
Pages : 20
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Excerpt from Parasitic and Predaceous Insects in Applied Entomology It is quite different in the second method Of dealing with beneficial insects, for here man has an Opportunity Of doing some very effective work, and it is only within comparatively recent years that the impor tance of this particular phase of the subj ect has been fully realized. The Rev. C. J. S. Bethune, Of Canada, was probably the first entomologist to suggest, in one of the earlier volumes of the Canadian Farmer, the importation of the European parasites Of the Wheat Midge (diplosis tritici) into America, on the supposition that this cosmopolitan species might thus be kept in check on this continent to the same extent that it was in Europe. SO far as I am aware, the attempt was never actually made, and though some subsequent correspondence was entered into between Fitch and Curtis, and later between Walsh and some of his English friends, nothing tangible resulted. The matter was, In fact, never seriously studied with this purpose in View. 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.
Author: United States. Bureau of Entomology
Publisher:
ISBN:
Category :
Languages : en
Pages : 1368
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Author:
Publisher:
ISBN:
Category : Entomology
Languages : en
Pages : 632
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 778
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Author: United States. Department of Agriculture. Library
Publisher:
ISBN:
Category :
Languages : en
Pages : 770
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