| Description |
1 online resource |
| Contents |
Cover; Half Title; Title Page; Copyright Page; Contents; Preface; Authors; Chapter 1 World Phosphate Situation and Factors Affecting Phosphorus Availability to Plants in Soil; 1.1 Introduction; 1.2 Historical Overview; 1.3 World Phosphate Rock Reserves and Resources; 1.4 Mineralogy of Phosphate Rocks; 1.5 Glossary of Phosphorus-Related Terms; 1.6 Cycle in Soil-Plant System; 1.7 Organic Phosphorus in Soils; 1.8 Inorganic Phosphorus in Soils; 1.9 Reaction of Phosphorus Fertilizers in Soil; 1.10 Evaluation and Utilization of Residual Phosphorus in Soils |
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1.11 Factors Influencing Phosphorus Availability to Plants1.11.1 Climatic Factors; 1.11.1.1 Precipitation; 1.11.1.2 Temperature; 1.11.2 Soil Factors; 1.11.2.1 Aeration and Compaction; 1.11.2.2 Concentration and Forms of Soil Phosphorus; 1.11.2.3 Soil pH; 1.11.2.4 Presence of Aluminum and Iron Oxides; 1.11.3 Plant Factors; 1.11.3.1 Release of Organic and Inorganic Compounds in the Rhizosphere; 1.11.3.2 Crop Species/Genotypes within Species; 1.11.3.3 Colonization of Rhizosphere by Plant Growth-Promoting Rhizobacteria; 1.11.3.4 Mycorrhiza Fungi Symbiosis by Plant Roots |
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1.11.3.5 Phosphatase Activity in the Rhizosphere1.12 Conclusions; References; Chapter 2 Functions of Phosphorus in Crop Plants; 2.1 Introduction; 2.2 Functions; 2.2.1 Morphological Functions; 2.2.1.1 Plant Height; 2.2.1.2 Tillering; 2.2.1.3 Shoot Dry Weight; 2.2.1.4 Leaf Area Index; 2.2.1.5 Root Growth; 2.2.1.6 Yield and Yield Components and Related Traits; 2.2.2 Physiological Functions; 2.2.2.1 Essential for Photosynthesis; 2.2.2.2 Improves Grain Harvest Index; 2.2.2.3 Positive Interactions with Nitrogen, Phosphorus, and Potassium Fertilization; 2.2.2.4 Improves Grain Quality |
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2.2.2.5 Accelerates Grain Maturation2.2.3 Biochemical Functions; 2.2.3.1 Role in Plant Metabolisms; 2.2.3.2 Role in Energy Transfer Processes; 2.2.3.3 Role in Plant Structure; 2.2.3.4 Improves Biological Nitrogen Fixation; 2.3 Conclusions; References; Chapter 3 Diagnostic Techniques for Phosphorus Requirements in Crop Plants; 3.1 Introduction; 3.2 Phosphorus Deficiency, Sufficiency, and Toxicity Diagnostic Techniques; 3.2.1 Visual Deficienc ySymptoms; 3.2.2 Visual Toxicity Symptoms; 3.2.3 Soil Test; 3.2.4 Plant Tissue Test; 3.3 Phosphorus Concentration in Plants |
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3.4 Phosphorus Uptake in Plants3.5 Phosphorus Harvest Index; 3.6 Phosphorus Requirements of Cereals; 3.6.1 Rice; 3.6.1.1 Adequate Phosphorus Level in Rice Plant Tissues; 3.6.1.2 Adequate Phosphorus Fertilizer Rate; 3.6.2 Wheat and Barley; 3.6.2.1 Adequate Phosphorus Level in Wheat and Barley Plant Tissues and Soil Test to Apply Phosphorus Fertilizer; 3.6.3 Corn; 3.6.3.1 Adequate Phosphorus Level in Corn Plant Tissues and Soil Test to Apply Phosphorus Fertilizer; 3.6.4 Sorghum; 3.6.4.1 Adequate Phosphorus Level in Sorghum Plant Tissues and Soil Test to Apply Phosphorus Fertilizer |
| Summary |
The world population is projected to reach nine billion by 2050, and in the coming years, global food demand is expected to increase by 50% or more. Higher crop productivity gains in the future will have to be achieved in developing countries through better natural resources management and crop improvement. After nitrogen, phosphorus (P) has more widespread influence on both natural and agricultural ecosystems than any other essential plant element. It has been estimated that 5.7 billion hectares of land worldwide contain insufficient amounts of available P for sustainable crop production, and P deficiency in crop plants is a widespread problem in various parts of the world. However, it has been estimated that worldwide minable P could last less than 40 years. For sustaining future food supplies, it is vital to enhance plant P use efficiency. To bring the latest knowledge and research advances in efficient management of P for economically viable and environmentally beneficial crop production in sustainable agriculture, Phosphorus Management in Crop Production contains chapters covering functions and diagnostic techniques for P requirements in crop plants, P use efficiency and interactions with other nutrients in crop plants, management of P for optimal crop production and environmental quality, and basic principles and methodology regarding P nutrition in crop plants. The majority of research data included are derived from many years of field, greenhouse, and lab work, hence the information is practical in nature and will have a significant impact on efficient management of P-fertilizers to enhance P use efficiency, improve crop production, promote sustainable agriculture, and reduce P losses through eluviations, leaching, and erosion to minimize environmental degradation. A comprehensive book that combines practical and applied information, Phosphorus Management in Crop Production is an excellent reference for students, professors, agricultural research scientists, food scientists, agricultural extension specialists, private consultants, fertilizer companies, and government agencies that deal with agricultural and environmental issues |
| Bibliography |
Includes bibliographical references and index |
| Notes |
Print version record |
| Subject |
Phosphorus in agriculture.
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TECHNOLOGY & ENGINEERING -- Agriculture -- General.
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Phosphorus in agriculture
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| Form |
Electronic book
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| Author |
He, Zhenli, author
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Baligar, V. C., author
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| ISBN |
9781498705875 |
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1498705871 |
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9781351667173 |
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1351667173 |
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