Capillary Movement of Soil Moisture PDF Download

Author: Walter Wesley McLaughlin
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 84

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Author: Walter Wesley McLaughlin
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 70

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Author: Irwin Remson
Publisher:
ISBN:
Category : Soil moisture
Languages : en
Pages : 48

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Author: Walter Wesley McLaughlin
Publisher: Theclassics.Us
ISBN: 9781230737843
Category :
Languages : en
Pages : 24

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1920 edition. Excerpt: ...more water at the commencement than near the end of the experiment. It shows, also, a more uniform use by the heavier soils. It shows, for instance, that the soil in flume 54 had used relatively more than twice as much water as any other flume at the end of the first day, while on the fifteenth day it had used relatively only about one-fiftli more than the others. Table 20 showrs the amount of water required at different periods of time to advance the moisture in the flumes an average distance of 1 inch. For instance, on the third day, flume 24 had used 18 liters of water and the moisture had advanced 44.15 inches, or an average of 479 cubic centimeters of water was required per inch. A comparison of the figures in Table 20 with the moisture equivalents of the soils appears to show no close relation. However, in a general way the greater the moisture equivalent the greater the quantity of water required to advance the moisture 1 inch. It is ob147697--20--Bull. 835 3 Table 19.--Water used, by days, in percentages of total use in 30 days. served in nearly all of the flumes that less water is required per inch about the third day than at any other time. In all cases, however, more water was required per inch at the end than was required at the beginning of the experiment. It is observed that for soils of the heavier type represented in flume 54, for some time after the commencement of the experiment less water is required per inch than for the following day, but after about the thirtieth day there is a very rapid increase of the water requirements. It is probable that there is some concentration of moisture at the top of the vertical lift before the moisture changes direction to the inclined part of the flume and that this moisture is...

Author: United States. Department of Agriculture
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: Walter Wesley McLaughlin
Publisher:
ISBN:
Category : Soil capillarity
Languages : en
Pages : 0

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Author: Walter Wesley [From Old Cat McLaughlin
Publisher: Palala Press
ISBN: 9781359650061
Category :
Languages : en
Pages : 82

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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.

Author: Ram Swaroop Meena
Publisher: BoD – Books on Demand
ISBN: 1839680954
Category : Science
Languages : en
Pages : 156

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Poor soil and water management are often related to insufficient or poor rainfall distribution around the world. In modern agriculture, over-cultivation, deforestation, overgrazing, and high dependence on an irrigated cropping system with water-intensive crops increase soil and water erosion. This book examines ways of improving soil moisture management to support environmental, food, social, and economic security under a sustainable ecosystem.

Author: Walter W. McLaughlin
Publisher: Forgotten Books
ISBN: 9781527769878
Category : Technology & Engineering
Languages : en
Pages : 76

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Excerpt from Capillary Movement of Soil Moisture As a basis for answering some of the above questions investiga tions were undertaken in 1915, and the data given below are in the form of a progress report. 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: Mortimer Reed Lewis
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 32

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