The Pear Thrips

The Pear Thrips PDF Author: Percival John Parrott
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 42

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The Pear Thrips

The Pear Thrips PDF Author: Percival John Parrott
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 42

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The Pear Thrips

The Pear Thrips PDF Author: California. State Commission of Horticulture
Publisher:
ISBN:
Category : Fruit
Languages : en
Pages : 26

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The Life History and Habits of the Pear Thrips in California

The Life History and Habits of the Pear Thrips in California PDF Author: Shirley Watson Foster
Publisher:
ISBN:
Category : Fruit
Languages : en
Pages : 66

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The Control of the Pear Thrips

The Control of the Pear Thrips PDF Author: Clarence Ritchie Phipps
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 34

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Pear Thrips (Euthrips Pyri).

Pear Thrips (Euthrips Pyri). PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :

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The Pear Thrips

The Pear Thrips PDF Author: Dudley Moulton
Publisher:
ISBN:
Category :
Languages : en
Pages : 16

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The Pear Thrips in California

The Pear Thrips in California PDF Author: Stanley Fuller Bailey
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 64

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Pear Thrips on Forest Trees

Pear Thrips on Forest Trees PDF Author:
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ISBN:
Category : Pear
Languages : en
Pages : 2

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The Pear Thrips (Euthrips Pyri) (Classic Reprint)

The Pear Thrips (Euthrips Pyri) (Classic Reprint) PDF Author: Dudley Moulton
Publisher: Forgotten Books
ISBN: 9781333788797
Category : Science
Languages : en
Pages : 20

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Excerpt from The Pear Thrips (Euthrips Pyri) We believe that if the ground be thoroughly plowed and cultivated during November, 'december, and January, or before the insects leave the ground, which they begin to do by the first of February, many of these young thrips would be killed or injured or so disturbed that but few would ever reach maturity. Our present manner of cultivation is well adapted to give the thrips a long, undisturbed period of rest. During the late spring and early 'summer, when thrips are in the ground, we give the soil nothing but light cultivation, and as the insects are still in an active larval stage they seek another place of hiding, if disturbed. After this no cultivation is usually done until the last of February or March of the following year, by which time the insects have left the ground. While the plowing and cultivating method of control has not been thoroughly tried, we believe it gives more promise than any other yet suggested. 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.

The Control of the Pear Thrips

The Control of the Pear Thrips PDF Author: Clarence Ritchie Phipps
Publisher: Wentworth Press
ISBN: 9781010472421
Category : History
Languages : en
Pages : 24

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This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.