New Equipment for Obtaining Host Material for the Mass Production of Trichogramma Minutum, an Egg Parasite of Various Insect Pests PDF Download
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Author: Herbert Spencer
Publisher:
ISBN:
Category : Trichogramma
Languages : en
Pages : 24
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Book Description
Author: Herbert Spencer
Publisher:
ISBN:
Category : Trichogramma
Languages : en
Pages : 24
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Book Description
Author: Herbert Spencer
Publisher:
ISBN:
Category :
Languages : en
Pages : 18
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Author: Herbert Spencer
Publisher: Forgotten Books
ISBN: 9781396253829
Category : Business & Economics
Languages : en
Pages : 24
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Book Description
Excerpt from New Equipment for Obtaining Host Material for the Mass Production of Trichogramma Minutum, an Egg Parasite of Various Insect Pests Figure 2. - Removing eggs of Sitotroga moths from egg -deposition jars by shaking them through screen 11 ire tops. 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. Department of Agriculture
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 18
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Author:
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 32
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Author: R. K. Morrison
Publisher:
ISBN:
Category : Moths
Languages : en
Pages : 8
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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 334
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Author: R. Ridgway
Publisher: Springer Science & Business Media
ISBN: 1468428713
Category : Science
Languages : en
Pages : 480
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Book Description
The protection of agricultural crops, forest, and man and his domestic animals from annoyance and damage by various kinds of pests remains a chronic problem. As we endeavor to improve pro duction processes and to develop more effective and acceptable tactics for achieving this protection, we must give high priority to all potentially useful techniques for the control and management of insects. Pest control is recognized as an acceptable and necessary part of modern agriculture. Methods employed vary greatly and tend to reflect compromises involving 3 determining factors: technological capability, economic feasibility, and social acceptability. How ever, these factors are also subject to change with time since each involves value judgments that are based on available information, cost, benefit considerations, the seriousness of the pest problem, and the political climate. Whatever method is chosen, energy resources continue to dwindle under the impact of increasing popu lation, and it is inevitable that greater reliance must be placed upon renewable resources in pest management. One alternative is the use of a pest management method that uses the energy of the pest's own biomass to fuel a self-perpetuating control system. The use of biological control agents for the control of pests has long been an integral part of the pest management strategy in crop production and forestry and in the protection of man and animals. The importance and unique advantages of the method are well recognized; numerous treatises deal with accomplishments and methodologies.
Author: Curtis Paul Clausen
Publisher:
ISBN:
Category : Insect pests
Languages : en
Pages : 164
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