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Author: Clarence Wilbur Dorsey
Publisher:
ISBN:
Category : Alkali lands
Languages : en
Pages : 48
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Book Description
Author: Clarence Wilbur Dorsey
Publisher:
ISBN:
Category : Alkali lands
Languages : en
Pages : 48
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Book Description
Author: Aleksandr Andreevich Sidʹko
Publisher:
ISBN:
Category : Irrigation
Languages : en
Pages : 226
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Author: Walter Pearson Kelley
Publisher: Forgotten Books
ISBN: 9780260828712
Category :
Languages : en
Pages : 44
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Book Description
Excerpt from The Reclamation of Alkali Soils However, counteracting forces are often present. For example, if the soluble salts which accumulate in the soil or are applied as constituents of the irrigation water are composed in considerable part of calcium compounds, the adverse chemical and physical edects just alluded to fail to materialize to any great extent. Under such conditions soluble salts do not produce excessive chemical changes in the clay and humus of the soil.' Where this is the case, mere drainage and leaching will suffice to produce complete reclamation of the soil. An example of this type of soil condition is found in the Imperial Valley. As Thomas) has shown, the excessively saline soils of certain parts of the Imperial Valley can be reclaimed readily and be caused to produce large yields of crops by the simple expedient of drainage and leaching without applying any chemical treatment whatever. These soils contain relatively large quan tities of soluble calcium salts as well as large amounts of sodium salts. 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: Walter Pearson Kelley
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 48
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Book Description
Author: S.K. Gupta
Publisher: Scientific Publishers
ISBN: 9388812298
Category : Technology & Engineering
Languages : en
Pages : 247
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Book Description
The term "alkali soil"is employed to refer to soils that have a high exchangeable-sodium-percentage; and "saline soil" is used in connection with soils having a high value for the electrical conductivity of the saturation extract. This handbook was first issued in multilithed form in 1947, and it has been widely distributed in this country and abroad. The handbook is intended primarily as a practical guide for those who are confroted with soil, plant, and water problems involving salinity and alkali The first five chapters provide a basis for the evaluation and interpretaion of measure-ments The procedures and measuring methods given in chapters 6,7, and 8 are those with which the Laboratory has had experience, and they are believed to have general applicability in the diagnosis and improvement of saline and alkali soils. This handbook is the result of the combined efforts of the entire staff of the salinity Laboratry.
Author: Alexius A. J. von Sigmond
Publisher:
ISBN:
Category : Alkali lands
Languages : en
Pages : 172
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Author: Walter Pearson Kelley
Publisher:
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 196
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Book Description
Author: Ronald Cropper Reeve
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 64
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Author: S. K. Gupta
Publisher: Scientific Publishers
ISBN: 9386237512
Category : Technology & Engineering
Languages : en
Pages : 324
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Book Description
This book will be immensely useful to researchers, teachers and students, officers of command area development authorities, extension workers and above all the farming community of India. Any progress made in land reclamation programs with the help of this book will give us immense satisfaction.
Author: Henry O. Parsons
Publisher:
ISBN:
Category : Alkali lands
Languages : en
Pages : 82
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Book Description
