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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… Read more
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Advances in Agronomy is read by scientists and practitioners in academe, government, and industry and students in an array of fields including crop and soil sciences, agronomy, plant biology, and environmental sciences. The readership spans the globe.
Contributors
Preface
Chapter One: Advances in Using Oxygen Isotope Ratios of Phosphate to Understand Phosphorus Cycling in the Environment
Abstract
1 Introduction
2 Stable Isotope Systematics: Oxygen Isotope Ratios of Phosphate
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
5 Isotope Effects of Abiotic and Biotic Processes Involving Phosphates
6 Application of Oxygen Isotope Ratios in Phosphate to Understand P Cycling in Soil Environments and Agricultre
7 Concluding Remarks and Perspectives
Acknowledgments
Chapter Two: Agronomic Biofortification of Cereal Grains with Iron and Zinc
Abstract
1 Introduction
2 Biofortification of Cereal Grains
3 Micronutrients in Human Nutrition
4 Functions and Deficiency of Fe and Zn in Humans
5 Agronomic Biofortification of Cereal Grains
6 Management Practices Other Than Fertilizer Affecting Fe and Zn Concentration in Cereal Grains
7 Soil Factors Affecting the Availability of Fe and Zn to Plants
8 Plant Factors Affecting Uptake of Fe and Zn
9 Conclusion
Chapter Three: GlobalSoilMap: Toward a Fine-Resolution Global Grid of Soil Properties
Abstract
1 Introduction
2 Information for Soil Assessment
3 Digital Soil Mapping and Origins of GlobalSoilMap
4 Technical Specifications of GlobalSoilMap
5 Minimum Data Set
6 Methods for Estimating Soil Properties Using Legacy Data
7 Uncertainty
8 Information Architecture, Web Services, and Applications
9 Examples
10 Toward an Enduring Global Soil Information System
11 Conclusions
Acknowledgments
Chapter Four: Fertilizer Intensification and Its Impacts in China's HHH Plains
Abstract
1 Introduction
2 Characteristics of the HHH Region
3 Impacts on Agronomic Production
4 Synthesis of Past Achievements
5 Conclusions
Acknowledgments
Chapter Five: Nutrient Management and Use Efficiency in Wheat Systems of South Asia
Abstract
1 Introduction
2 Wheat Systems in South Asia
3 Nutrient Recommendations in Wheat in South Asia
4 Fertilizer Use in Wheat in South Asia
5 Trends in Nutrient Use Efficiency in Wheat
6 Transformations, Losses, and Interaction of Nitrogen with Irrigation in Relation to Management of Fertilizer Nitrogen in Wheat
7 Nutrient Management in Wheat in Salt-Affected Soils
8 Nutrient Management in Wheat Grown Under Conservation Agriculture
9 Integrated Management of Organic and Inorganic Nutrient Sources in Wheat
10 Long-Term Nutrient Management Effects on Sustainability of Wheat Productivity
11 Strategies to Enhance Nutrient Use Efficiency in Wheat
12 Conclusions and Research Needs
Acknowledgments
Chapter Six: Ammonia-Oxidizing Archaea Play a Predominant Role in Acid Soil Nitrification
Abstract
1 Introduction
2 An Overview of Nitrification Activity in Acid Soils
3 Evidence Supporting a More Important Role of AOA in Acid Soils: Field Studies and Microcosm Incubations
4 Spatial Distributions of AOA and AOB Along the Soil pH Gradient
5 Possible Mechanisms for AOA Nitrification in Acid Soils
6 Future Perspectives on Deciphering Microbial Mechanisms for Nitrification in Acid Soils
Acknowledgment
Index
DS