Advances in agronomy. Volume 125 / edited by Donald L. Sparks ; contributors Dominique Arrouays [and thirty six others].
- Advances in Agronomy
- Front Cover; Advances in Agronomy; Copyright; Contents; Contributors; Preface; Chapter One: Advances in Using Oxygen Isotope Ratios of Phosphate to Understand Phosphorus Cycling in the Environment; 1. Introduction; 1.1. Origin of phosphorus; 1.2. Overview of P chemistry and P cycling; 1.2.1. P chemistry; 1.2.2. Conventional methods for understanding of P cycling in the environment; 1.2.3. Environmental problems associated with P; 2. Stable Isotope Systematics: Oxygen Isotope Ratios of Phosphate; 2.1. Oxygen isotope ratios of phosphate: Historical development.
2.2. Apatite versus dissolved inorganic phosphate2.3. Dissolved Pi-water oxygen isotopic fractionation and calibration; 2.4. pH effect on Pi-water oxygen isotopic fractionation; 2.5. Resistance to Pi-water O exchange and inorganic hydrolysis; 2.6. Phosphate in the environment: recent developments; 3. Organic Phosphorus and Isotope Effects of Organic Phosphate Mineralization: Enzyme- and Substrate-Specific Isotope Effects; 4. Measuremnt of Oxygen Isotope Ratios of Phosphate in Sediments, Soils, and Natural Waters.
4.1. Processing of dissolved phosphate in water for silver phosphate precipitation4.2. Organic phosphorus and isotope effects of organic phosphate mineralization; 4.2.1. Removal of organic P; 4.2.2. Mineralizing organic P without hydrolysis; 4.3. Extraction of soil/sediment P and processing for silver phosphate precipitation; 4.3.1. Sequential extraction of soil/sediment P; 4.3.2. Silver phosphate precipitation from sequentially extracted soil/sediment P phases; 4.4. Methods of measuring oxygen isotope ratios in phosphate; 4.4.1. Evolution of methods; 4.4.2. Oxygen yield issue.
5. Isotope Effects of Abiotic and Biotic Processes Involving Phosphates5.1. Fractionation during abiotic processes of sorption, desorption, and mineral transformation; 5.1.1. Ferrihydrite with freshly sorbed phosphate; 5.1.2. Mineral transformation of ferrihydrite with sorbed phosphate; 5.2. Bioavailability and cycling of phosphate at the mineral-water interface; 5.3. Fractionation during transport and mobilization of phosphate; 5.4. Marine sediments with multiple pulses of authigenic phosphate precipitation; 5.5. Detrital phosphate from different provenances.
6. Application of Oxygen Isotope Ratios in Phosphate to Understand P Cycling in Soil Environments and Agricultre7. Concluding Remarks and Perspectives; Acknowledgments; References; Chapter Two: Agronomic Biofortification of Cereal Grains with Iron and Zinc; 1. Introduction; 2. Biofortification of Cereal Grains; 3. Micronutrients in Human Nutrition; 4. Functions and Deficiency of Fe and Zn in Humans; 4.1. Iron; 4.2. Zinc; 5. Agronomic Biofortification of Cereal Grains; 5.1. Rice; 5.1.1. Method of application; 5.1.2. Sources of Zinc; 5.2. Wheat; 5.3. Corn; 5.4. Oats.
- Advances in Agronomy continues to be recognized as a leading reference and a first-rate source for the latest research in agronomy. As always, the subjects covered are varied and exemplary of the myriad of subject matter dealt with by this long-running serial.
- 9780128003596 (electronic bk.)
0128003596 (electronic bk.)
- Bibliography Note:
- Includes bibliographical references at the end of each chapters and index.
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