Organic Constituents Of Soils
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Organic Constituents Of Soils
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Author : United States. Department of Agriculture
language : en
Publisher:
Release Date : 1912
Organic Constituents Of Soils written by United States. Department of Agriculture and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1912 with categories.
The Organic Constituents Of Soils Classic Reprint
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Author : Oswald Schreiner
language : en
Publisher:
Release Date : 2015-08-05
The Organic Constituents Of Soils Classic Reprint written by Oswald Schreiner and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-08-05 with Business & Economics categories.
Excerpt from The Organic Constituents of Soils The reports on the various phases of soil studies by the investigators who have preceded me in this symposium must have impressed you with the fact that the subject of soil fertility and infertility is by no means a simple matter of arithmetic, which involves only a few of the mineral constituents of the soil. It must also have become clear to you that the problem of soil fertility or infertility has not been solved by the application of these simple arithmetical means based on soil analysis or by the crop statistics accumulated in the years which have elapsed since Liebig first announced his views on soil fertility, which gamed for him for all time the title of "Father of Agricultural Chemistry." It is particularly gratifying to me, since I am to talk to you to-day on the subject of the organic constituents of soils, their chemical nature and other properties, that Liebig is also known as the "Father of Organic Chemistry." To what tremendous proportions and significance in the worlds industries and science this child of his (Organic Chemistry) has grown is familiar to all of you, and I assure you that Liebig, were he to return to-day, would be proud of its parentage. But I fear he would be displeased with his other child, as having made so little progress in the intervening years, although he started it in life strong and virile and full of promise. Up to a few years ago agriculture had not shared in the great impulses which modern science has given to other arts and industries, and the domination of the mineral-requirement theory proposed in the first half of the last century and accepted without adequate proof of its validity is largely responsible for the lack of development in agriculture, commensurate with the enormous strides of other arts and industries under the guidance of modern scientific thought and research. But a new era of scientific inquiry is at hand, and all phases of scientific endeavor are being applied to the solution of the problems connected with soil fertility and infertility - lines of endeavor which were not even known in Liebig's time, but which to-day are well-recognized factors in soil fertility. 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.
The Organic Constituents Of Soils
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Author : Oswald Schreiner
language : en
Publisher: Palala Press
Release Date : 2016-05-09
The Organic Constituents Of Soils written by Oswald Schreiner and has been published by Palala Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-05-09 with categories.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work.This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Soil Components
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Author : J. E. Gieseking
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06
Soil Components written by J. E. Gieseking and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.
Organic substances returned to the soil by plants, animals and microorganisms go through biochemical cycles and subcycles that provide essential media for the growth of plants in the soil. These cycles involve numerous, complicated and interdependent chemical reactions. Many books have been written to describe the genesis, the nature and the reactions of soil organic matter and have contributed much to organizing parts of the knowledge about soil organic matter. Each book is an important contribution but none has duplicated any of the others to any great extent; each has developed essential bu.
Organic Constituents Of The Soil
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Author : George Stronach Fraps
language : en
Publisher:
Release Date : 1922
Organic Constituents Of The Soil written by George Stronach Fraps and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1922 with Agriculture categories.
Environmental Impacts Of Soil Component Interactions
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Author : P. M. Huang
language : en
Publisher: CRC Press
Release Date : 1995-03-29
Environmental Impacts Of Soil Component Interactions written by P. M. Huang and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995-03-29 with Nature categories.
V. 1 - Natural and anthropogenic organics; v. 2 - Metals, other inorganics, and microbial activities. General soil quality as influenced by interactions of soil minerals with organics and microorganisms: Organic-inorganic interections in soils and their effects on soil quality; Sorption phenomena between inorganic and organic compounds in soils: impacts on transformation processes; Role of aluminium and iron in the accumulation of organic matter in soils with variable charge; Sorption of ions by soil organic matter and clay-organics at low ionic strength; Water potential, soil microhabitats, and microbial development; Effect of citric acid on interlayer adsorption of hydroxy-aluminosilicate ions by montmorillonite; Microbial oxidation of pyrites in relation to its efficiency in alkali soil reclamation; Modification of gelation properties of colloidal solids from oil sands: extraction impact on fine tailings formation; Position paper of part I; Transformations of natural and anthropogenic organic compounds as affected by soil minerals and microorganisms: Natural organics; Recent advances in organomineral interactions: implications for carbon cycling and soil structure; The role of short-range ordered mineral colloids in abiotic transformations of organics components in the environment; Influence of pyrogallol on the catalytic action of iron and managenese oxides in amino acid transformation; Photochemical effect on the abiotic transformations of polyphenolics as catalyzed by Mn(IV) oxide; Potential of the supercitical fluid extraction technique for characterizing organic-inorganic interactions in soils; Dissolution and fractionation of calcium-bound and iron-and aluminium-bound humus in soils; Rhe quality of soil organic matter as characterized by soil CPMAS C-NMR, and Py-FIMS; Extracellular polysaccharides: an interface between microorganisms and soil constituents; Low-molecular-weigh aliphatic carboxylic acids in some andisols of Japan; Relationship between organic acids and microorganisms on a kong-term cropping site in southeastern Australia; Effect of the addition of plant residues on the mineralization of sulfur in Costa Rican soils; Anthropogenic organics: Sorption and biodegradation of organic contaminants in soils: conceptual representations of process coupling; The role of dissolved metals and metal-containing surfaces in catalyzing the hydrolysis of organic pollutants; The role of abiotic and biotic catalysts in the transformation of phenolic compounds; The role of abiotic interections with humic substances on the environmental impact of organic pollutants; Adsorption mechanisms and abiotic catalytic transformations of some agrochemicals by clay minerals; Interactions between manganese oxides and multiple ringed aromatic compounds; Mobility and persistence of metolachlor and terbuthylazine in field lysimeters; Soil-pesticide interactions and their impact on the volatilization process; Factors affecting the movements, reactions, and biotransformations ox xenobiotics; Effect of soil minerals on the microbial formation of enzymes and their possible use in remediation of chemically polluted sites; Position paper of part II; Effect of microorganisms on mobility of heavy metals in soils; Interactions of copper with soil humic substances; Adsorption of phosphate on variable charge minerals: competitive effect of organic ligands; Cadmium adsorption on the hydroxyaluminum-montmorillonite complex as influencend by oxalate; Influence of citrate on selenite sorption-desorption on short-range ordered aluminum hydroxides; Role of amorphous fe oxides in controlling retention of heavy metal elements in soils; Effect of natural organic matter and pH on the bioavailability of metal ions in soils; Seasonal changes of organic matter, pH, nitrogen and some metals in forest topsoils in Austria: a case study of two soils with and whithout a litter layer; Substituion of rock phosphate and legumes for commercial fertilizers; Effect of single and combined inoculation with azotobacter and VA mycorrhizal fungi on growth and mineral nutrient contents of maize and wheat plants; Position paper of part I; Interactions of clays with microorganisms and bacterial survival in soil: a physicochemical perspective; Enumeration, survival, and beneficial activities of microorganisms introduced into soil; Effects of clay minerals, oxyhydroxides, and humic matter on microbial communities of soil, sediment, and water; Activity, stability, and kinetc properties of enzymes immobilized on clay minerals and organomineral complexes; Influence of site conditions and heavy metals on enzyme activities of forest topsoils; Aluminum toxicity: a major stress for microbes in the environment; Biological response to contamination with pentachlorophenol and mercuric chloride in a high organic matter soil; Ecology of 2,4-D degradation in three palouse silt loam soils.
The Origin Nature And Importance Of Soil Organic Constituents Having Base Exchange Properties
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Author : John Mitchell
language : en
Publisher:
Release Date : 1932
The Origin Nature And Importance Of Soil Organic Constituents Having Base Exchange Properties written by John Mitchell and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1932 with Soils categories.
The Chemistry Of Soil Constituents
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Author : D.J.Greenland
language : en
Publisher: New India Publishing Agency
Release Date : 2016-07-21
The Chemistry Of Soil Constituents written by D.J.Greenland and has been published by New India Publishing Agency this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-07-21 with Technology & Engineering categories.
Since the beginning of this century production of chemical fertilizers has increased many fold, and the production of pesticides for addition to the soil has become a new major industry. These are not the only chemicals added to the soil, because by accident or design many other chemicals which enter the environment end up in the soil. The soil has to produce the bulk of the food and fiber to sustain this growing population. In this volume a short historical outline of the development of soil science is given, touching briefly on soil formation, soil physics, and soil biology, as it can be misleading to regard soils simply as chemical entities. It is also important to have some appreciation of the several processes which have produced the particular soil found at any one place. The major soil types of the world differ according to their origin. Several systems exist for classifying them, and different names are in use for the same major soil types. The most common names of these are therefore introduced. The following two chapters deal with the inorganic and organic components of soils respectively. The chemical structures of the major inorganic components are now reasonably well known, but this is not true of the organic (or humic) materials in soils. The relevant chapter presents an account of what has been experimentally established regarding the constitution of the peculiarly intractable complex of organic compounds found in soils. Chemical processes in soils are largely determined by reactions at the surfaces of the soil colloids. The final three chapters are therefore concerned with the nature and extent of the surfaces of soil colloids, their electrical characteristics, and the ways in which ions and water are held and arranged at the surfaces.
Organic Constituents Of Soils
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Author : Oswald B. 1875 Schreiner
language : en
Publisher: Wentworth Press
Release Date : 2016-08-29
Organic Constituents Of Soils written by Oswald B. 1875 Schreiner and has been published by Wentworth Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-08-29 with History categories.
This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. As a reproduction of a historical artifact, this work may contain missing or blurred pages, poor pictures, errant marks, etc. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Principles Of Soil Chemistry Third Edition
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Author : Kim H. Tan
language : en
Publisher: CRC Press
Release Date : 1998-02-13
Principles Of Soil Chemistry Third Edition written by Kim H. Tan and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998-02-13 with Technology & Engineering categories.
Incorporating fundamental principles as well as up-to-date applications in soil formation, this work emphasizes the equal importance of organic and inorganic soil constituents by delineating the role of complex carbohydrates, amino acids, proteins, lipids, nucleic acids, lignins, enzymes, and humic acids in soil reactions. This edition features coverage of the relation of pe-pH with the biochemical cycle, soil air quality and soil humidity, thermodynamics in cation exchange and its connection with the quantity/intensity ratio, and more.