Excerpt from Soil Physics and Management

This book is written for three purposes: first, as a text-book for agricultural students; second, as a reference book for the practical farmer; and, third, as an aid to the land owner who desires information in the personal management of his land.

Soil physics is the application of physics to soils. It is so closely related to other sciences that it becomes necessary to trespass upon the ground of some of them, notably botany, geology, chemistry, and zoology, to present certain subjects clearly and completely. Soil physics dovetails in with the closely-related phases of agronomy, as soil biology, soil fertility, crop production, and agricultural engineering, to such an extent that it is necessary to give material very closely related to all of these.

An attempt has been made to emphasize the principles of soil physics, omitting the details of practice except where necessary for purposes of illustration. Although the book is written in the Middle West, yet the principles given apply anywhere.

The arrangement of the matter presented has been carefully planned from the teaching standpoint, and has been tested in the classroom for several years.

Various sources of information have been used by the authors and acknowledgment made accordingly.

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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. Это и многое другое вы найдете в книге Soil Physics and Management (Classic Reprint) (Jeremiah George Mosier)