Download or read book Lectures on Some of the Physical Properties of Soil Classic Reprint written by Robert Warington and published by . This book was released on 2015-07-07 with total page 262 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Lectures on Some of the Physical Properties of Soil The behaviour of actual soils under known conditions has been made as far as possible the foundation of the conclusions drawn. A great mass of results has accumulated from the investigations made in the very numerous Agricultural Experiment Stations in Europe and America; with these results the agricultural teacher is too often unacquainted. His valid excuse is the scattered publication of the reports, and his want of time to correlate the several results recorded. The writer hopes that the publication of these lectures will stimulate others to labour in the abundant harvest field of Experiment Station Reports. It must ever be borne in mind that it is only on the results of experimental investigations that Agricultural Science can be safely built. The reader will probably be surprised that so little is said respecting English soils, and so much respecting the soils of America. The writer heartily wishes that this might have been otherwise. In fact, however, the physical constitution and properties of English soils have as yet not been investigated, save in a very few exceptional cases; this has been doubtless due to the great lack of investigators and research laboratories in this country. The general properties of soils can of course be equally well illustrated by any well studied examples, but the deficiency of knowledge of our own local soils is nevertheless a very real evil, and must greatly hinder the practical application of general principles. 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.

Download or read book Physical Properties of Soils Classic Reprint written by D. F. Trussell and published by Forgotten Books. This book was released on 2017-10-28 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Physical Properties of Soils Each of these will be discussed briefly in order to point out its importance in soils and its relationship to each of the others. 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.

Download or read book PHYSICAL PROPERTIES OF SOILS written by Arthur Gillett McCall and published by Forgotten Books. This book was released on 2016-09-04 with total page 114 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Physical Properties of Soils: A Laboratory Guide There are various ways of expressing the amount of water present in a soil: (1) as per cent of dry weight of the soil, (2) as per cent of wet weight, (3) as pounds per cubic foot, and (4) as surface inches. The water content is usually expressed either as per cent of dry weight or as pounds per cubic foot. 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.

Download or read book Physical Properties of 134 Soils in Six Northeastern States Classic Reprint written by Arthur R. Eschner and published by Forgotten Books. This book was released on 2018-09-17 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Physical Properties of 134 Soils in Six Northeastern States The plasticity constants of the 6 to 12-inch layer were expressed as moisture content in percent of dry weight. 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.

Download or read book Physical and Chemical Properties of Major Imperial Valley Soils Classic Reprint written by Eugene R. Perrier and published by Forgotten Books. This book was released on 2017-11-18 with total page 40 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Physical and Chemical Properties of Major Imperial Valley Soils Knowledge of the soil's chemical and physical properties is required to interpret the crop production potential and to evaluate engineering and conservation practices Although soil survey reports of observable physical characteristics of soil provide valuable information, interrelated physical and chemical measurements at standardized locations provide useful scales of reference in the establishment of soil management practices such as tillage, irrigation, drainage, salt balance, and fertilization. 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.

Download or read book Soils and Their Properties Classic Reprint written by William Fream and published by Forgotten Books. This book was released on 2017-12-26 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Soils and Their Properties The recognition of the work done by micro-organisms marks a most important advance in our knowledge of the phenomena involved in the metabolism (gr. Metabole, change) of the' soil. Hitherto, investigation has been directed rather to the determination of the immediate effects of soil metabolism in promoting the nutrition of plants. But it is at least possible that the biological fac tors in metabolic activity may eventually be proved to be not less potent than the physical and chemical agents in effecting the disintegration of rocks, and thus in restoring to the soil those mineral ingredients which are undergoing incessant loss. Our knowledge of the biology of the soil is hardly yet in a sufficiently settled condition to be made the subject of an elementary manual. All that is attempted, there fore, In 'the following pages is to trace soils back to their parent rocks, to indicate some of their more important physical and chemical properties, and to give a brief account of the distribution of soils within the British Isles. It is proposed to follow this Volume with another, in the same series, upon the practical management of the 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.

Download or read book The Effect of Soluble Salts on the Physical Properties of Soils Classic Reprint written by R. O. E. Davis and published by . This book was released on 2016-06-26 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Effect of Soluble Salts on the Physical Properties of Soils Following the suggestion here brought out, it was thought adviso able to study the effect of soluble salts in small quantities upon the physical condition of soils. Since the physical condition is dependent on the moisture content, whatever in uences the moisture content will in uence the physical condition, and the movement of moisture in the 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."

Download or read book The Color of Soils Classic Reprint written by William Orrin Robinson and published by Forgotten Books. This book was released on 2018-03-18 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from The Color of Soils The color of soils has long occupied the attention of both geologists and agriculturists and has considerable importance theoretically and practically. Theoretically the color is of importance as a guide to the origin and processes involved in the formation of the soil and as an indication of the relative age of any particular soil. It is of practical importance because it determines to a greater or less extent the absorption of the sun's energy, and is often a guide to the drainage conditions, to the crop adaptations, and to the cultural methods best suited to the soil. It is the object of this bulletin to publish the results of an investiga tion-into the causes of certain colors in soils, and particularly the causes of differences in color between the popularly named red and' yellow soils in connection with the agricultural significance of Such differences. In, addition to this, certain of the chemical and physical properties of iron compounds and their solutions will be considered It must be recognized that soil colors are not pure colors, but at best are Shades and tints. Thus the material by which soils ordinarily considered red are colored is ferric ox1de, which itself is never a pure red, for it varies from dark brown to yellowish, and when in the soil it is further tinted and Shaded by other materials. When applied to soils the color descriptions used in this bulletin mean the tints and shades which for the sake of Simplicity are termed red, yellow, brown black, or Simple combinations of these. 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.

Download or read book Some Morphological Physical Chemical and Mineralogical Properties of Seven Southern Great Plains Soils Classic Reprint written by Aubra Clinton Mathers and published by Forgotten Books. This book was released on 2018-01-09 with total page 72 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Some Morphological, Physical, Chemical, and Mineralogical Properties of Seven Southern Great Plains Soils The purpose of this bulletin is to present morphological, physical, chemical, and mineralogical characteristics of seven Southern Great Plains soils. The data should prove useful to all agriculturists interested in interpretation of soil behavior. 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.

Download or read book Texture of Some Important Soil Formations Classic Reprint written by U. S. Division Of Agricultural Soils and published by Forgotten Books. This book was released on 2018-05-08 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Texture of Some Important Soil Formations Our knowledge of the physical properties Of Soils is so far behind. Our knowledge Of their chemical composition that the former needs to be advanced and pressed upon the attention Of practical and scientific minds until the full importance Of it is recognized. I recommend that this report be published as a bulletin Of this division. Respectfully, milton whitney, Chief of Division. Hon. J. Sterling morton, Secretary of Agriculture. 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.

Download or read book Physical Properties of Hawaii Soils with Special Reference to the Colloidal Fraction Classic Reprint written by Charles Richter and published by Forgotten Books. This book was released on 2017-10-27 with total page 50 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Physical Properties of Hawaii Soils, With Special Reference to the Colloidal Fraction The origin, formation, and composition Of tropical Hawaii soils invest them with physical and chemical properties which vary widely and are quite unlike those Of the soils Of the mainland Of the United States. In some cases they also differ considerably from those Of Soils Of other tropical countries. The large amounts Of fine material, organic and Inorganic, with a chemical composition typical Of lateritic decomposition, cause condi tions which are radically different from those Of other Soils and which are sometimes extreme in nature, Moisture relationships especially exhibit unusual behavior In many Of the soils. It has long been known that the colloidal fraction Of the soil plays a significant role In the soil complex phenomena. The investigations Of the past decade have definitely established the fact that practically all the essential properties Of soils are directly or indirectly linked with the Colloidal phase, and that such important processes as flocculation, drainage, plasticity, moisture holding capacity, shrinkage, fixation and availability Of plant food elements, hydrogen Ion concentration, and base exchange are functions Of the colloidal part Of the soil. The soils Of Hawaii, because Of the above mentioned differences In origin, formation, and composition, may be logically expected to exhibit a difference in the nature Of the colloidal complex as com pared with Soils of other countries. 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.

Download or read book NATURE AND PROPERTIES OF SOILS written by T. L. LYON and published by . This book was released on 2018 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Modification of the Method of Mechanical Soil Analysis Classic Reprint written by Charles Cloyes Fletcher and published by Forgotten Books. This book was released on 2017-10-27 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Modification of the Method of Mechanical Soil Analysis The mechanical analysis of the soil, as carried out in the Bureau of Soils, has been devised as an expedient method of obtaining a quantitative statement for the classification of soils on a physical basis. There exists a close relationship between the mechanical com position and most of the physical' properties of soils, although the exact nature of the relationship is not. Yet. Satisfactorily known. Many attempts have been made to classify soils upon the basis of some physical property, but to measure any physical property of soils without regard to the mechanical composition would disregard those relations of most importance in the practical management of soils. The physical properties of a soil are dependent upon the structure of the soil as well as upon the mechanical composition. The organic matter present influences both composition and structure. Hence we have a number of dependent variables of whose relations. To one another we yet know very little. But the mechanical composition of any particular soil remains reasonably constant, so that, it has been adopted as a basis for classification until the relationship ex isting between mechanical composition and the physical properties of the soil have become better known. The classification of soils on this basis is of agricultural value, as certain obvious characteristics attach to clays, loams, sands, ietc., as classes. In the mechanical analysis the soil is divided into a number of different grades of particles, whose dimensions lie between definite limits, and the percentage by weight of each of these grades is de termined. In general, the basic methods used in mechanical analysis are separation of different size particles by sifting in the case of the larger particles, and by sedimentation (usually in water) in case of the smaller ones. Various successful modifications have been devised, based on these methods. 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.

Download or read book The Nature and Properties of Soils written by Thomas Lyttleton Lyon and published by . This book was released on 1943 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Download or read book Physical Characteristics of Some Representative Louisiana Soils Classic Reprint written by Zane Franklin Lund and published by Forgotten Books. This book was released on 2018-09-12 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Physical Characteristics of Some Representative Louisiana Soils Baton Rouge, La.; Lester L. Loftin, Soil Specialist, Soil Conservation Service, usda, located at Alexandria, La. Acknowledgments are made to D. L. Fontenot, State Soil Scientist, Soil Conservation Service, for aid in selecting series to be sampled; Dr. W. H. Patrick, Agronomy Dept., La. State Univ., for organic matter determinations; and So L. Earle, Agricultural Research Service, Soil and Water Conservation Research Division, for aid in making laboratory determinations.area, may utilize irrigation more frequently than other areas, and in most years supplemental irrigation may be profitable. Some understanding of the soil physical properties and soil-water relations are necessary before efficient irrigation or drainage systems can be devised. 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.

Download or read book Periodic Variation in Physical and Chemical Properties of Two Central Washington Soils Classic Reprint written by Tom D. Anderson and published by Forgotten Books. This book was released on 2018-01-11 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from Periodic Variation in Physical and Chemical Properties of Two Central Washington Soils These results indicate that, where sampling dates vary, periodic variation in certain chemical properties of these soils may be a confounding factor in evaluating research find ings or management prescriptions. 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.

Download or read book Lectures on Some of the Physical Properties of Soil written by Robert Warington and published by Trieste Publishing. This book was released on 2017-09-17 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: Trieste Publishing has a massive catalogue of classic book titles. Our aim is to provide readers with the highest quality reproductions of fiction and non-fiction literature that has stood the test of time. The many thousands of books in our collection have been sourced from libraries and private collections around the world.The titles that Trieste Publishing has chosen to be part of the collection have been scanned to simulate the original. Our readers see the books the same way that their first readers did decades or a hundred or more years ago. Books from that period are often spoiled by imperfections that did not exist in the original. Imperfections could be in the form of blurred text, photographs, or missing pages. It is highly unlikely that this would occur with one of our books. Our extensive quality control ensures that the readers of Trieste Publishing's books will be delighted with their purchase. Our staff has thoroughly reviewed every page of all the books in the collection, repairing, or if necessary, rejecting titles that are not of the highest quality. This process ensures that the reader of one of Trieste Publishing's titles receives a volume that faithfully reproduces the original, and to the maximum degree possible, gives them the experience of owning the original work.We pride ourselves on not only creating a pathway to an extensive reservoir of books of the finest quality, but also providing value to every one of our readers. Generally, Trieste books are purchased singly - on demand, however they may also be purchased in bulk. Readers interested in bulk purchases are invited to contact us directly to enquire about our tailored bulk rates.