Front Cover; Advances in Agronomy, Volume 62; Copyright Page; Contents; Contributors; Preface; Chapter 1. Using Atomic Force Microscopy to Study Soil Mineral Reactions; I. Introduction; II. Fundamentals of AFM; III. Examples of Applications; IV. Some New Frontiers in AFM Research; References; Chapter 2. Plant Growth-Regulating Substances in the RHIZOSPHERE: Microbial Production and Functions; I. Rhizosphere as a Site of Plant-Microbe Interactions; II. Plant Growth-Regulating Substances; III. Sources of PGRs; IV. Biochemistry of Microbial Production of PGRs.

V. Production of PGRs by Rhizosphere MicroorganismsVI. Metabolism of PGRs in Soil; VII. Ecological Significance of PGRs Produced in the Rhizosphere; VIII. Conclusions; Appendix: Abbreviations; References; Chapter 3. Long-Term Trends of Corn Yield and Soil Organic Matter in Different Crop Sequences and Soil Fertility Treatments on the Morrow Plots; I. Introduction and History of the Morrow Plots; II. Corn Yield; III. Soil Variables: Soil Organic Matter, pH, P, and K; IV. Conclusions: Lessons from the Morrow Plots; Appendix: Abbreviations; References.

Chapter 4. Using Genotype-by-Environment Interaction for Crop Cultivar DevelopmentI. Introduction; II. Implications of GE Interaction in Breeding; III. Causes of GE Interaction; IV. Ways of Dealing with GE Interaction; V. Stability Statistics: Concepts and Usefulness; VI. How to Exploit or Minimize Interaction; VII. Conclusions; References; Chapter 5. Modeling Carbon and Nitrogen Processes in Soils; I. Introduction and Historical Background; II. Model Description; III. Model Validation; IV. Model Applications; V. Conclusions and Future Work; References; Index.