A Study of the Theories Regarding Soil Acidity: A Thesis (Classic Reprint) - Hardcover

Pettis, Charles Semple

9780484279499: A Study of the Theories Regarding Soil Acidity: A Thesis (Classic Reprint)

Hardcover

ISBN 10: 0484279491 ISBN 13: 9780484279499

Publisher: Forgotten Books, 2018

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Excerpt from A Study of the Theories Regarding Soil Acidity: A Thesis

The problem of soil acidity has been one of the most important with which the science of agriculture has had to deal. It has been known for years that a great many of the soils of this country are acid and that acid soils are becoming more prevalent. Accordingly the attention of a great many experimentors has been directed towards an investigation of this problem.

Since the problem is very complex a great many theories as to the nature and causes of soil acidity have been brought forth. These theories have been modified until the present time when there remain only two theories, the true acid theory and the selective ion adsorption theory. It is not necessary that these two theories be discussed at any great length in this paper, nor is it desirable that a complete review of the work on these two theories be made here. It is necessary, however, that the fundamental facts and arguments concerning the two theories be stated.

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