Principles and Maintenance of Soil Fertility

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ISBN 13 :
Total Pages : 46 pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis Principles and Maintenance of Soil Fertility by : Andrew Robeson Whitson

Download or read book Principles and Maintenance of Soil Fertility written by Andrew Robeson Whitson and published by . This book was released on 1906 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Integrated Soil Fertility Management in Africa

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Publisher : CIAT
ISBN 13 : 9290592613
Total Pages : 270 pages
Book Rating : 4.2/5 (95 download)

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Book Synopsis Integrated Soil Fertility Management in Africa by : Nteranya Sanginga

Download or read book Integrated Soil Fertility Management in Africa written by Nteranya Sanginga and published by CIAT. This book was released on 2009 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt: Forward. A call for integrated soil fertility management in Africa. Introduction. ISFM and the African farmer. Part I. The principles of ISFM: ISFM as a strategic goal, Fertilizer management within ISFM, Agro-minerals in ISFM, Organic resource management, ISFM, soil biota and soil health. Part II. ISFM practices: ISFM products and fields practices, ISFM practice in drylands, ISFM practice in savannas and woodlands, ISFM practice in the humid forest zone, Conservation Agriculture. Part III. The process of implementing ISFM: soil fertility diagnosis, soil fertility management advice, Dissemination of ISFM technologies, Designing an ISFM adoption project, ISFM at farm and landscape scales. Part IV. The social dimensions of ISFM: The role of ISFM in gender empowerment, ISFM and household nutrition, Capacity building in ISFM, ISFM in the policy arena, Marketing support for ISFM, Advancing ISFM in Africa. Appendices: Mineral nutrient contents of some common organic resources.

First Principles of Soil Fertility

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ISBN 13 :
Total Pages : 284 pages
Book Rating : 4.A/5 ( download)

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Book Synopsis First Principles of Soil Fertility by : Alfred Vivian

Download or read book First Principles of Soil Fertility written by Alfred Vivian and published by . This book was released on 1908 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Turfgrass Soil Fertility & Chemical Problems

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Publisher : John Wiley & Sons
ISBN 13 : 9781575041537
Total Pages : 424 pages
Book Rating : 4.0/5 (415 download)

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Book Synopsis Turfgrass Soil Fertility & Chemical Problems by : R. N. Carrow

Download or read book Turfgrass Soil Fertility & Chemical Problems written by R. N. Carrow and published by John Wiley & Sons. This book was released on 2002-08-26 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Turfgrass Soil Fertility and Chemical Problems is the best single-source, practical management tool that will help you overcome every fertility management challenge you face! Turfgrass Soil Fertility and Chemical problems will: * Help you pinpoint the effectiveness of fertilizer programs to ensure turfgrass quality, water quality, and environmental integrity * Help you understand a multitude of turfgrass species and cultivars and their complex nutrient responses or requirements * Explains site-specific fertilization, covering issues such as establishment on poor quality soils and the use of low-quality irrigation water * Show you how fertilization is important for environmental, traffic, and stress tolerance, as well as recovery * Show you how to apply the interpretation of soil, tissue, and water-quality test information in the development of fertilization regimes

Properties and Management of Soils in the Tropics

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Publisher : Cambridge University Press
ISBN 13 : 1107176050
Total Pages : 685 pages
Book Rating : 4.1/5 (71 download)

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Book Synopsis Properties and Management of Soils in the Tropics by : Pedro A. Sanchez

Download or read book Properties and Management of Soils in the Tropics written by Pedro A. Sanchez and published by Cambridge University Press. This book was released on 2019-01-10 with total page 685 pages. Available in PDF, EPUB and Kindle. Book excerpt: Long-awaited second edition of classic textbook, brought completely up to date, for courses on tropical soils, and reference for scientists and professionals.

Principles of Sustainable Soil Management in Agroecosystems

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Publisher : CRC Press
ISBN 13 : 1466513470
Total Pages : 571 pages
Book Rating : 4.4/5 (665 download)

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Book Synopsis Principles of Sustainable Soil Management in Agroecosystems by : Rattan Lal

Download or read book Principles of Sustainable Soil Management in Agroecosystems written by Rattan Lal and published by CRC Press. This book was released on 2013-06-10 with total page 571 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the laws of sustainable soil management to enhance ecosystem services while restoring degraded soils and promoting sustainable use. With chapters contributed by world-class soil scientists, ecologists, and social scientists, the book outlines critical changes in management of agricultural soils necessary to address global issues of food security, climate change, water security, and energy needs. Topics covered include organic farming, soil fertility, crop-symbiotic soil microbiota, human-driven soil degradation, soil degradation and restoration, carbon sink capacity of soils, and soil renewal and sustainability.

Soil Fertility Management for Sustainable Development

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Publisher : Springer
ISBN 13 : 9811359040
Total Pages : 303 pages
Book Rating : 4.8/5 (113 download)

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Book Synopsis Soil Fertility Management for Sustainable Development by : Deepak G. Panpatte

Download or read book Soil Fertility Management for Sustainable Development written by Deepak G. Panpatte and published by Springer. This book was released on 2019-03-07 with total page 303 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil fertility is the backbone of agricultural systems and plays a key role in determining food quantity and quality. In recent decades, soil fertility has decreased due to indiscriminate use of agrochemicals, and nations around the globe are now facing the challenge of increasing food production while sustainably maintaining soil fertility. Written by leading international scientists in the field, this book explores soil fertility management strategies, including agronomic, microbiological and soil-science based strategies. Highlighting the practices that can be incorporated into organic farming and discussing recent advances, it is a valuable resource for researchers wanting to broaden their vision and the scope of their investigations.

First Principles of Soil Fertility (Classic Reprint)

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ISBN 13 : 9781330648124
Total Pages : 280 pages
Book Rating : 4.6/5 (481 download)

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Book Synopsis First Principles of Soil Fertility (Classic Reprint) by : Alfred Vivian

Download or read book First Principles of Soil Fertility (Classic Reprint) written by Alfred Vivian and published by . This book was released on 2015-07-03 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Excerpt from First Principles of 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.

First Principles of Soil Fertility

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ISBN 13 :
Total Pages : 263 pages
Book Rating : 4.:/5 (639 download)

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Book Synopsis First Principles of Soil Fertility by : Alfred Vivian

Download or read book First Principles of Soil Fertility written by Alfred Vivian and published by . This book was released on 1915 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Soil Fertility

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Publisher : CRC Press
ISBN 13 : 1351415948
Total Pages : 305 pages
Book Rating : 4.3/5 (514 download)

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Book Synopsis Soil Fertility by : Boyd Ellis

Download or read book Soil Fertility written by Boyd Ellis and published by CRC Press. This book was released on 2018-05-04 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soils are one of the world's most important resources, and their protection, maintenance, and improvement is critical to the continuance of life on earth. Soil Fertility, Second Edition, offers thorough coverage of the fertility, composition, properties, and management of soils. This book carries on the tradition of excellence established by authors Henry Foth and Boyd Ellis, leading soil scientists whose previous books in this field have become multi-edition classics. The Second Edition of Soil Fertility has been significantly expanded to include more information on mineralogy, while keeping the thorough coverage of essential topics. The book presents soils as dynamic, constantly changing bodies, and relates soil fertility and management to the mineralogy of their origin. Four new chapters offer updated information on soil charge properties, ion adsorption, exchange and fixation, and soil reaction. There is also a far greater emphasis on environmental issues, reflecting the increasing importance of environmental concerns to agronomists and soil scientists today.

Plant Nutrition and Soil Fertility Manual

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Publisher : CRC Press
ISBN 13 : 1439816107
Total Pages : 230 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Plant Nutrition and Soil Fertility Manual by : J. Benton Jones Jr.

Download or read book Plant Nutrition and Soil Fertility Manual written by J. Benton Jones Jr. and published by CRC Press. This book was released on 2012-02-13 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt: Like all living things, plants require nutrient elements to grow. The Plant Nutrition Manual describes the principles that determine how plants grow and discusses all the essential elements necessary for successful crop production. The nutritional needs of plants that add color and variety to our visual senses are addressed as well. Altogether, nut

Soil Fertility Management in Agroecosystems

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Publisher : John Wiley & Sons
ISBN 13 : 0891183531
Total Pages : 160 pages
Book Rating : 4.8/5 (911 download)

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Book Synopsis Soil Fertility Management in Agroecosystems by : Amitava Chatterjee

Download or read book Soil Fertility Management in Agroecosystems written by Amitava Chatterjee and published by John Wiley & Sons. This book was released on 2020-05-19 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Soil Fertility Management in Agroecosystems, Editors Amitava Chatterjee and David Clay provide a thoughtful survey of important concepts in soil fertility management. For the requirements of our future workforce, it is imperative that we evolve our understanding of soil fertility. Agronomists and soil scientists are increasingly challenged by extreme climatic conditions. Farmers are experimenting with integrating cover crops into rotations and reducing the use of chemical fertilizers. In other words, there is no such a thing as a simple fertilizer recommendation in today's agriculture. Topics covered include crop-specific nutrient management, program assessment, crop models for decision making, optimization of fertilizer use, cover crops, reducing nitrous oxide emissions, natural abundance techniques, tile-drained conditions, and soil biological fertility.

Plant Nutrition and Soil Fertility Manual, Second Edition

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Publisher : CRC Press
ISBN 13 : 1439816093
Total Pages : 307 pages
Book Rating : 4.4/5 (398 download)

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Book Synopsis Plant Nutrition and Soil Fertility Manual, Second Edition by : J. Benton Jones, Jr.

Download or read book Plant Nutrition and Soil Fertility Manual, Second Edition written by J. Benton Jones, Jr. and published by CRC Press. This book was released on 2012-02-13 with total page 307 pages. Available in PDF, EPUB and Kindle. Book excerpt: As soil and crop management procedures have become more complex, County Agricultural Agents, farm advisors, consultants, and fertilizer and chemical dealers have had to specialize in some aspect of soil fertility and crop nutrition management procedures, limiting their ability to provide a range of advice and services. Most farmers and growers can no longer turn to just one source for the information and instruction needed to achieve their production goals. With over 70 percent new material, the second edition of the Plant Nutrition and Soil Fertility Manual discusses the principles determining how plants grow and the elements essential for successful crop production, with a focus on the principles of soil fertility and plant nutrition. The book covers physical and chemical properties of soil, chemical and organic fertilizers, soil acidity and alkalinity, liming and liming materials, and micronutrients essential to plant growth. It also describes elements toxic to plants, soil testing, and plant analysis. The topics and discussion in this self-contained book are practical and user-friendly, yet comprehensive enough to cover material presented in upper-level soil and plant science courses. It allows practitioners with general background knowledge to feel confident applying the principles presented to soil/crop production systems.

Soil Fertility

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Publisher :
ISBN 13 : 9788176221139
Total Pages : 0 pages
Book Rating : 4.2/5 (211 download)

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Book Synopsis Soil Fertility by : Charles Ernest Millar

Download or read book Soil Fertility written by Charles Ernest Millar and published by . This book was released on 2004-09 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Book Is Concerned Primarily With The Interrelationships Of Soils And Growing Plants. It Has Been Prepared As A Textbook For Students Taking A Course In Soil Fertility And As A Reference Book For Students In Soil Management Courses. An Effort Has Been Made To Avoid Too Much Applied Material, Which Would Be Included In Courses Dealing Specifically With Soil Management Practices. Rather It Has Been The Object To Deal With Fundamental Principles That Can Be Applied To Crop Production Problems When Local Conditions Are Taken Into Consideration. Author Have Tried Never To Lose Sight Of The Practical Problems Of Soil Management And Crop Growth. An Appreciable Amount Of Data Has Been Compiled Which Is Hoped Will Be Useful As Reference Material. Considerable Attention Has Been Given To Results Of Field Experiments. Well Illustrated And An Exhaustive Subject Index Are Other Attractions Of The Book. Contents Chapter 1: The Development Of Agriculture, Ancient Agriculture, Roman Agriculture, Farming After The Fall Of Rome, Beginning Of Scientific Agriculture, Early Chemistry And Its Application To Plants; Chapter 2: Essentials For Plant Growth, Soil Fertility Vs. Productivity, Temperature And Growth, Light Requirement Of Plants, Water And The Growth Of Plants, The Plant And The Atmosphere, Nutrient Requirement Of Plants; Chapter 3: The Soil Solution And Nutrient Absorption By Plants, The Soil Solution, The Nutrient Intake Of Plants, Factors Affecting Nutrient Absorption; Chapter 4: Colloids And Soil Productivity, The Colloidal Content Of Soils, Constituents Of Soil Colloids, The Clay Minerals, Processes Of Ion Adsorption And Exchange, Ion Fixation And Soil Productivity; Chapter 5: Soil Reaction And Liming, Causes And Nature Of Soil Acidity, Development Of Saline And Alkali Soils, Determination And Expression Of Soil Reaction, Soil Reaction And Plant Growth, Changing The Reaction Of Soils; Chapter 6: Soil Organic Matter, Nature Of Materials Which Contribute To Soil Organic Matter, Chemical, Biological And Physical Properties Of Organic Fraction In Soils, Additions And Losses Of Soil Organic Matter, Chapter 7: Nitrogen And Crop Production, Nitrogen Requirements Of Plants, Nitrogen Content Of Soils, Loss Of Nitrogen From The Soils, Additions Of Nitrogen To The Soil, Nitrogen Fertilizers; Chapter 8: Phosphorus, Phosphorus Content Of Soils, Removal Of Phosphorus From The Soil, Return And Addition Of Phosophorus To The Soil, Phosphorus Fertilizers; Chapter 9: Potassium, Potassium Content Of Soils, Removal Of Potassium From The Soil, Addition And Return Of Potassium To The Soil, Potassium Fertilizers; Chapter 10: Calcium And Magnesium, Calcium And The Soil, Relationship Of Calcium To Plant Growth, Quantities And Reactions Of Magnesium In Soils, Magnesium And The Growth Of Plants; Chapter 11: Sulfur, The Sulfur Content Of Soils, Additions Of Sulfur To Soils, Removal Of Sulfur In Crops And By Leaching, Changes Which Sulfur Undergoes In Soils And Effect Of Sulfates On Soil Properties, Forms And Functions Of Sulfur In Plants, The Need For Sulfur Applications In Crop Production; Chapter 12: Micro And Some Non-Essential Nutrients, Manganese, Copper, Boron, Zinc, Molybdenum, Sodium, Silicon, Other Elements; Chapter 13: Soil Deficiencies And Determination Of Nutrient Needs Of Crops, Meaning Of Available Plant Nutrients, Early Efforts To Determine Supplies Of Available Nutrients, Rapid Soil-Testing Methods, Plant Analysis And Tissue Testing, Nutrient-Deficiency Symptoms In Plants, Plant-Growth Methods, Growth Of Microorganisms As An Indicator Of Soil-Nutrient Supply, Mitscherlich S Theory And Present-Day Agrobiology; Chapter 14: Activities Of Soil Organisms That Affect Productivity, Improvement In Soil Physical Condition By Organisms, Chemical Changes In Soil Constituents Produced By Organisms, Additions Of Nitrogen To Soils Through Biological Fixation; Chapter 15: Green Manures, Crop Residues, And Composts, Green Crops For Soil Protection And Improvement, Crop Residues And Sods, Composts And Municipal Wastes As Fertilizers And Soil Amendments; Chapter 16: Animal Manures, Regional Fertilizer Use And Nutrient Content Of Manure, Production And Composition Of Manure, Recovery In Manure Of Nutrients In Feed, Handling And Conservation Of Manure, Manure And Crop Production; Chapter 17: Contribution Of Commercial Fertilizers To Soil Productivity, Production And Use Of Fertilizers In The United States, Fertilizer Application For Different Crops, Returns From Application Of Fertilizer; Chapter 18: Rotations And Farming Systems, Cash-Crops Production The In Central West, Crop Rotations In Northeastern United States And Canada, Southern Cropping Systems, Cropping Systems Used In Dryland Farming, Rotations On Irrigated Land, Cash-Crop Vs. Livestock Farming, Limitation In Rotation Benefits; Chapter 19: A Summary Of Old Field Experiments, The Rothamsted Experiment Station, Field Studies In Illinois, Fertilizer Experiments In Pennsylvania, The Ohio Experimental Farms, Missouri S Sanborn Field, The Rhode Island Rotation Tests, Alabama S Old Rotation, Cylinder Studies In New Jersey, Washington S Wheat Cultural Experiments.

The Soil, Its Nature, Relations, and Fundamental Principles of Management

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Publisher :
ISBN 13 :
Total Pages : 332 pages
Book Rating : 4./5 ( download)

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Book Synopsis The Soil, Its Nature, Relations, and Fundamental Principles of Management by : Franklin Hiram King

Download or read book The Soil, Its Nature, Relations, and Fundamental Principles of Management written by Franklin Hiram King and published by . This book was released on 1895 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Soil Essentials

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Publisher : Landlinks Press
ISBN 13 : 0643099581
Total Pages : 191 pages
Book Rating : 4.6/5 (43 download)

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Book Synopsis Soil Essentials by : Roger Hall

Download or read book Soil Essentials written by Roger Hall and published by Landlinks Press. This book was released on 2008-03-07 with total page 191 pages. Available in PDF, EPUB and Kindle. Book excerpt: Soil Essentials is a practical reference for farmers and land managers covering soil issues commonly encountered at the farm level. Written in a straightforward style, it explains the principles of soil management and the interpretation of soil tests, and how to use this information to address long-term soil and enterprise viability. This book demonstrates how minerals, trace elements, organic matter, soil organisms and fertilisers affect soil, plant and animal health. It shows how to recognise soil decline, and how to repair soils affected by nutrient imbalances, depleted soil microbiology, soil erosion, compaction, structural decline, soil sodicity and salinity. The major problem-soils – sodic soils, light sandy soils, heavy clay soils and acid sulphate soils – are all examined. With this information, farmers and land managers will be able to consider the costs and financial benefits of good soil management.

Irrigated Soils

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Publisher : Daya Books
ISBN 13 : 9788176221122
Total Pages : 416 pages
Book Rating : 4.2/5 (211 download)

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Book Synopsis Irrigated Soils by : David Wynne Thorne

Download or read book Irrigated Soils written by David Wynne Thorne and published by Daya Books. This book was released on 2004-09 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Most Of The Arable Soils Of Humid Temperate Areas Are Now Employed For Crop Production. With An Ever-Increasing Population, The World Is Again Rapidly Turning To The Further Development Of Irrigation In The Semi-Arid And Arid Lands Which Comprise Over Half Of The Earth S Land Surface. Today More Than Half Of The World S Population Is Dependent On Food Produced Under Irrigation. Authors Have Kept Constantly In Mind The Idea Of Integrated Plants Which Will Give Maximum Production On Irrigated Farms. In This Approach, Discussion Of Such Topics As Soil Water Relations, Salt, Alkali, Soil Physical Properties, Organic Matter, Crop Rotations, Fertilizers, And Irrigation Practice Have Been Directed Toward Recognizing The Solving Practical Farm Problems. The Emphasis On Farm Planning Throughout The Book Has Been Brought To A Final Conclusion With A New Chapter On Planning The Irrigated Farm. The Recent Rapid Expansion Of Irrigation In Humid Regions At First Thought Seems To Justify Special Treatment. But Further Consideration Indicates That The Same Fundamental Principles Are Involved Wherever Irrigation Is Practiced, Whether In Arid Or Humid Areas. The Salt Problem Seldom Occurs In Humid Regions And Liming Must Be Practiced, But Still The Underlying Principles Of Irrigation Agriculture Are The Same. In Preparing The Manuscript The Authors Have Sought To Emphasize Fundamental Principles That Underlie Soil Management Practices. Emphasis Is On Basic Principles Rather Than On Field Practices. The General Approach Is To Present First The Fundamental Principles And Second The Applications Of The Principles In Solving Individual Problems. The Authors Sought To Bring Together Viewpoints From Different Fields Of Investigation And To Harmonize Them Into An Integrated Presentation. For Example, In Soil Moisture Studies, Soil Scientists Have Customarily Dealt In Terms Of Physical Stresses Exerted On Moisture By Capillary Pull And Adsorption By Soil Particles; Plant Physiologists Have Been Concerned With Osmotic Stress Value Resulting From Salts Dissolved In Soil Or Culture Solutions. In Irrigation Agriculture, Both Concepts Are Vitally Important And Are Presented As A Unified Principle That Must Be Evaluated In Estimating The Water Relations Of Plants In Irrigated Soils. This Book Will Be Useful In College Dealing With Irrigation And The Management Of Irrigated Soils, But Also As A Reference Guide To Those Giving Technical Advice To Farmers On The Management Of Irrigated Soils. Contents Chapter 1: Problems Of Irrigated Regions, Early History Of Irrigation, Extent Of Irrigation In World Agriculture, Problems In Irrigation Agriculture, Bibliography; Chapter 2: Soil As A Medium For Plant Growth, Plant Roots, Soil Characteristics And Plant Growth, Soil Classification As A Key To Management Problems, Bibliography; Chapter 3: Soil And Water Relations, Moisture Retention By Soils, Methods Of Expressing The Tension Of Soil Water, Definitions Of Moisture Terms, Water Movement, Bibliography; Chapter 4: Soil Water, And Plant Relations, Water Availability In Soil, Range Of Available Moisture, Optimum Moisture Level, Water Requirements Of Crop Plants, Bibliography; Chapter 5: The Salt Problem, Classification Of Salted Soils, Plant Relations To Salted Soils, Bibliography; Chapter 6: Evaluating Land For Irrigation, Field Evaluation Of Land, Evaluation Of Salted Soils, Plant Food Reserves, Bibliography; Chapter 7: Source And Quality Of Irrigation Water, Importance Of Watershed Management, Water Rights, Quality Of Water, Changes In Water Quality, Soils In Relation To Water Quality, Improving The Quality Of Irrigation Water, Analysis Of Selected Irrigation Waters, Soil Changes Induced By Irrigation Water, Bibliography; Chapter 8: Measuring Irrigation Water, Units, Weirs, Other Measuring Devices, Bibliography; Chapter 9: Planning A Farm For Irrigation, Preparing The Farm For Irrigation, Farm Distribution Systems, Selecting An Irrigation Method, Methods Of Water Application, Planning Cropping Systems For Water Supplies, Bibliography; Chapter 10: Irrigation Practice, Quantity Of Water To Apply, Water Application Efficiency, Leaching Losses, When To Irrigate, Integration Of Irrigation With Other Management Practices, Bibliography; Chapter 11: Drainage, Planning A Drainage System, Depth And Spacing Of Drains, Types Of Drains, Design And Construction Of Drainage Systems, Surface Drainage, Bibliography; Chapter 12: Reclamation And Management Of Saline And Alkali Soils, Salt Balance, Reclamation Of Saline Soils, Reclamation Of Alkali Soils, Illustration Of Reclamation Procedures, Reclamation Of Soils Damaged By Sea Water, Management Of Saline And Alkali Soils, Bibliography; Chapter 13: Control Of The Physical Properties Of Soil, Soil Structure, Aeration, Permeability, Soil Temperature, Resistance To Erosion, Tillage For The Control Of Soil Physical Properties, Effect Of Plants On Physical Properties Of Soil, Organic Matter And Improved Physical Condition Of Soils, Chemical Treatment For Soil Improvement, Bibliography; Chapter 14: Control Of The Biological Properties Of Soil, Plant Disease Organisms In The Soil, Promotion Of Desirable Microbiological Activities, Denitrification, Effects Of Crops On Succeeding Crops, Crop Rotation, Planning Rotations, Bibliography; Chapter 15: Maintaining Organic Matter In Soil, Role Of Organic Matter In Soil Fertility, Principles Governing The Quantities Of Organic Matter In Soils, Activity Of Soil Organic Matter, Principles For Building And Maintaining Organic Matter Content, Green Manure Crops, Farm Manure, Artificial Manure And Composts, Crop Residues, Bibliography; Chapter 16: Minerals And Plant Growth, Non Essential Elements Of Interest In Plant Nutrition, Classification Of Essential Elements, Function Of The Essential Elements In Plant Growth, Availability Of Plant Nutrients, Bibliography; Chapter 17: Fertilizer Elements And Fertilizer Materials, Nitrogen, Phosphorus, Potassium, Bibliography; Chapter 18: Using Fertilizers, Guarantees And Regulations, Fertilizer Ratios, Compatibility Of Ingredients, Calculating Fertilizer Formulas, Estimating Fertilizer Values, Home Mixing, Selecting Fertilizers, When To Apply Fertilizer, Placement Of Fertilizer, Systems Of Fertilizer Management, Bibliography; Chapter 19: Soil Management For General Field Crops, Sugar Cane, Sugar Beets, Potatoes, Corn, Cotton, Cereal Crops, Alfalfa And Clovers, Pastures, Rice, Bibliography; Chapter 20: Soil Management For Fruit, Vegetable And Specialty Crops, Fruit Crops, Vegetable Crops, Seed Crops, Lawns, Ornamentals, Bibliography; Chapter 21: Farm Planning, Making The Farm Map, Soil Map, Inventory And Evaluation Of Resources And Problems, Types Of Farming In Relation To Farm Plants, The Farm Layout, Adjusting Crops And Livestock, The Written Report, Bibliography.