Author: Milton Whitney
Publisher:
ISBN:
Category : Soil physics
Languages : en
Pages : 36

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Author: Milton Whitney
Publisher: Forgotten Books
ISBN: 9781527809000
Category : Science
Languages : en
Pages : 36

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Book Description
Excerpt from An Electrical Method of Determining the Soluble Salt Content of Soils: With Some Results of Investigations on the Effect of Water and Soluble Salts on the Electrical Resistance of Soils The moist soil is thoroughly mixed with a Dover's egg'beater, securely fastened to a sh elf or table, to distribute the water uniform throughout the mass of soil. The soil must not be mixed with the hands, as the salts from the hands are liable to Vitiate the results, especially in a warm room where the hands are perspiring freely. The soil should be put in a round-bottom bowl or in a heavy glass cover, such as is used in the laboratory to protect apparatus and specimens from dust. With clay soils especially it is well to empty the soil out of the bowl and pour it back again once to insure thorough mixin g of the water or solution throughout the mass of soil. 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: Milton Whitney
Publisher:
ISBN:
Category :
Languages : en
Pages : 30

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Author: Thomas H. Means
Publisher:
ISBN:
Category :
Languages : en
Pages : 38

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Author: RT. Martin
Publisher:
ISBN:
Category : Matter
Languages : en
Pages : 3

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The method is a rapid, simple procedure for the determination of soluble salt in soils. The electrical conductivity of the supernatant liquid is used to approximate the soluble salts present in the soil pore fluid. The method is not intended to be precise; however, on a relative basis reliable comparisons can be made. At any one location, the method permits very small changes in pore fluid salt concentration to be accurately measured. For a detailed discussion of the method, the reader is referred to "Methods of Soil Analysis, Part 2," Section 62, published by the American Society of Agronomy in cooperation with ASTM.

Author: Souleymane Bado
Publisher: Springer
ISBN: 9783319265889
Category : Science
Languages : en
Pages : 0

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This book offers effective, low-cost and user-friendly protocols for the pre-field selection of salt-tolerant mutants in cereal crops. It presents simple methods for measuring soil salinity, including soil sampling and the analysis of water-soluble salts, and describes a detailed, but simple, screening test for salt tolerance in rice, wheat and barley seedlings, which uses hydroponics. The protocols are devised for use by plant breeders and can be easily accommodated into breeding practice.

Author: United States. Superintendent of Documents
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 636

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Author: Emma Beatrice Hawks
Publisher:
ISBN:
Category :
Languages : en
Pages : 74

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Author: U.S. Office of Experiment Stations
Publisher:
ISBN:
Category : Agricultural experiment stations
Languages : en
Pages : 1244

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Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1252

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