Advances in agronomy. Volume 125 /

• Άλλοι συγγραφείς: Sparks, Donald L. (Επιμελητής έκδοσης), Arrouays, D. (Dominique) (Συντελεστής)
• Μορφή: Ηλ. βιβλίο
• Γλώσσα: English
• Έκδοση: San Diego, California : Academic Press, 2014.
• Σειρά: Advances in Agronomy ; v. 125.
• Θέματα: Agriculture > Research.; TECHNOLOGY & ENGINEERING > Agriculture > Agronomy > Crop Science.; TECHNOLOGY & ENGINEERING > Agriculture > Agronomy > General.; Electronic books.

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.

Πίνακας περιεχομένων:

• 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.