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Volume 57 contains six outstanding and comprehensive reviews on various agronomic topics. With this latest volume, Advances in Agronomy continues to be recognized as a prolific and first-rate reference by the scientific community. In 1993 Advances in Agronomy increased its publication frequency to three volumes per year, and will continue this trend as the breadth of agronomic inquiry and knowledge continues to grow.
Front Cover; Advances in Agronomy, Volume 57; Copyright Page; Contents; Contributors; Preface; Chapter 1. Soil Science and Archaeology; I. Introduction; II. The Archaeological Context; III. Soils Data Useful in Archaeological Interpretations; IV. Paleosols; V. Case Studies of Soil-Archaeological Investigations; VI. Summary; References; Chapter 2. Phosphate Rocks for Direct Application to Soils; I. Introduction; II. Reactivity of PRS; III. Measurement of Phosphate Rock Dissolution in Soil; IV. Factors Affecting Phosphate Rock Dissolution in Soil and Availability to Plants.
v. Modeling the Rate of Phosphate Rock Dissolution in Field SoilVI. Agronomic Effectiveness of Phosphate Rock; VII. Economics of Using Phosphate Rock Fertilizers; VIII. Soil Testing Where Phosphate Rocks Are Used; IX. Amendments to Phosphate Rocks; X. Concluding Remarks; References; Chapter 3. Breeding and Improvement of Forage Sorghums for the Tropics; I. Introduction; II. Genetic Parameters; III. Breeding; IV. Germplasm; V. Conclusions; References; Chapter 4. Nitrogen Mineralization in Temperate Agricultural Soils: Processes and Measurement; I. Introduction; II. Pools and Processes.
III. Process ControlsIV. Measurement and Prediction of Mineralization; V. The Impact of Mineralization; VI. Conclusions and Future Progress; References; Chapter 5. The Buffering Power of Plant Nutrients and Effects on Availability; I. Introduction; II. Efficient Plant Nutrient Management -- Key Factor in Sustainable Soil Management; III. The Buffer Power and Effect on Nutrient Availability; IV. Quantifying the Buffer Power of Soils and Testing Its Effect on Nutrient Availability; V. The Role of Electro-Ultrafiltration in Measuring P and K Intensity for the Construction of Buffer Power Curves.
VI. Quantifying the Buffer Power for Precise Availability Prediction -- Heavy MetalsVII. Influence of Heavy Metal Contamination on Buffering of Major Elements; VIII. Possible Buffering Effect on Plant Acquisition of Heavy Metals; IX. Concluding Comments and Future Imperatives; References; Chapter 6. Overview of Vertisols: Characteristics and Impacts on Society; I. Introduction; II. Distribution; III. Formation of Vertisols; IV. Morphological Properties; V. Pedogenic Processes in Vertisols; VI. Classification: From Marbut to Soil Taxonomy; VII. Mineralogical Properties.
VIII. Chemical PropertiesIX. Biological Properties; X. Physical Properties; XI. Management of Vertisols; XII. Summary and Concluding Remarks; References; Chapter 7. Hybrid Rice; I. Introduction; II. Heterosis in Rice; III. Genetic Tools for Developing Rice Hybrids; IV. Breeding Procedures for Developing Rice Hybrids; V. Accomplishments; VI. Agronomic Management; VII. Disease/Insect Resistance; VIII. Grain Quality; IX. Adaptability to Stress Environments; X. Hybrid Seed Production; XI. Economic Analysis; XII. Technology Transfer and Policy Issues; XIII. Future Outlook; XIV. Conclusions.
Includes bibliographical references and index.
San Diego [Calif.] : Academic Press, ©1996