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Author: George Henry Failyer Publisher: Forgotten Books ISBN: 9780428217105 Category : Science Languages : en Pages : 44
Book Description
Excerpt from The Mineral Composition of Soil Particles Another matter of interest is the influence of the manner of the formation of the soil and of climate upon the distribution of the sev eral mineral nutrients. The past history of the soil greatly affects its mechanical and mineralogical composition. How it will affect the distribution of the plant-food constituents is not always obvious. For some time investigators have recognized that the groups of various sized particles ofa soil may differ in chemical composition. Considerable attention has been given to certain phases of the subject; but it has not as a whole received the detailed study that it deserves. Much of the analytical work that has been done upon the mechanical separates of soils has been by treatment with some conventional strength of hydrochloric acid. Such work is a study of solution and not of ultimate composition. 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: George Henry Failyer Publisher: Forgotten Books ISBN: 9780428217105 Category : Science Languages : en Pages : 44
Book Description
Excerpt from The Mineral Composition of Soil Particles Another matter of interest is the influence of the manner of the formation of the soil and of climate upon the distribution of the sev eral mineral nutrients. The past history of the soil greatly affects its mechanical and mineralogical composition. How it will affect the distribution of the plant-food constituents is not always obvious. For some time investigators have recognized that the groups of various sized particles ofa soil may differ in chemical composition. Considerable attention has been given to certain phases of the subject; but it has not as a whole received the detailed study that it deserves. Much of the analytical work that has been done upon the mechanical separates of soils has been by treatment with some conventional strength of hydrochloric acid. Such work is a study of solution and not of ultimate composition. 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: Wm T. McGeorge Publisher: Forgotten Books ISBN: 9780365588597 Category : Science Languages : en Pages : 20
Book Description
Excerpt from Composition of Hawaiian Soil Particles One of the primary characteristics of Hawaiian soils is the wide diversity of types which makes difficult their classification according to the usual methods employed in soil surveys. A wide variation in chemical composition, as well as in physical properties, is found within very Short distances. During a recent investigation in this laboratory upon the determination of humus, the character of the clay in Hawaiian soils, as regards certain of its properties, was found to be radically different from that in mainland soils. Chief among these abnormal properties is the incomplete coagulation when coag ulants are added. This is especially true in case of addition of ammonium carbonate, which has been successfully used on mainland soils for the coagulation of clay in humus extracts. This peculiarity of the clay has led to a study of the composition of the coagulable and noncoagulable grains and a further investiga tion upon the composition of the clay, fine silt, silt, fine sand, and coarse sand separates in the important Hawaiian types of soil differ ing in color, chemical composition, and physical properties. 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: John Dewey Axtell Publisher: Forgotten Books ISBN: 9780365561767 Category : Science Languages : en Pages : 44
Book Description
Excerpt from Hygroscopicity of Mineral Soil Particles as Affected by Size of Particle and Adsorbed Cations Pormt sulfuric acid by magnum; prepared soil canola. Varied grunt]; pending am the W or material new. 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: Frank Kenneth Cameron Publisher: Forgotten Books ISBN: 9780483096875 Category : Science Languages : en Pages : 76
Book Description
Excerpt from The Mineral Constituents of the Soil Solution Of no less importance are the organic constituents of the soil solution, but these will not be considered in the present bulletin, except incidentally as they affect the mineral constituents. 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: Joe Boris Dixon Publisher: American Society of Agronomy ISBN: Category : Technology & Engineering Languages : en Pages : 1290
Book Description
An introduction to soil mineralogy; Surface chemistry of soil minerals; An introduction to organic matter in mineral soils; Mineral equilibria and the soil system; Mineral occurrence in soil environments; Carboonate, halide, sulfate, and sulfide minerals; Aluminum oxides and oxyhydroxides; Iron oxides; Manganese oxides ands hydroxides; Kaolin and serpentine group minerals; The pyrophyllite-talc group; Micas; Vermiculites; Chlorites and hydroxy-interlayered vermiculite and smectite; Interstratification in layer silicates; Palygorskite and sepiolite group minerals; Zeolites in soils; Silica in soils: quartz and disordered silica polymorphs; Feldpars, olivines, pyroxenes, and amphiboles; Allophane and imogolite; Phosphate minerals; Titanium and zirconium minerals.
Author: W. J. McCaughey Publisher: Forgotten Books ISBN: 9780428374112 Category : Science Languages : en Pages : 116
Book Description
Excerpt from The Microscopic Determination of Soil-Forming Minerals Soils are largely the result of certain natural processes, physical, chemical, and biological, upon rock and rock materials. Consa quently the greater part of the soil is made up of mineral fragments coming from the original rock components and to some extent of decomposition and alteration products derived from the degradation products.-1 It is obvious that to understand the properties of a soil, and especially those properties which are dependent upon origin, mode of formation, and composition, the minerals of the soil must be known. Much attention has been given the mechanical composition of the Soil and its consequent physical properties; the chemical com position, organic as well as inorganic; and the biological composition, especially in recent years. But little attention has been given the mineralogical composition, and that in spite of the great advances in mineralogical technique, especially along optical lines incident to rapid development of petrographical and geological investigations. 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: Oswald Schreiner Publisher: Forgotten Books ISBN: 9780331444483 Category : Science Languages : en Pages : 58
Book Description
Excerpt from Chemical Nature of Soil Organic Matter Every soil investigator, whether it be the chemist, bacteriologist, or physicist studying some special problem, or the agronomist dealing with the general relation of soils to crops, sooner or later encounters difficulties that have their origin in the lack of knowledge of the chemical composition of the organic matter of the soil. Some organic matter is essential to make a soil of what would otherwise be pulverized and more or less hydrolyzed rock, and while there are some soils capable of growing crops that contain very small quantities of organic matter, on the whole the quantity of this material in average soils is considerable. Analyses have shown that the average organic content of the soils of the United States is per Cent and of subsoils per cent. This means 28 tons Of organic matter per acre in the first 8 inches of soil and 50 tons in the soil and subsoil together to the depth of 2 feet. 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: George Henry Failyer
Author: George Henry Failyer
Author: United States. Department of Agriculture
Author: George H. Failyer
Author: H. R. Wade
Author: Wm T. McGeorge
Author: John Dewey Axtell
Author: Frank Kenneth Cameron
Author: Joe Boris Dixon
Author: W. J. McCaughey
Author: Oswald Schreiner