Advances in Agronomy. V.85 /

Front Cover 1
Advances in Agronomy 4
Copyright Page 5
Contents 6
Contributors 12
Preface 14
Chapter 1. Advances in Hydropedology 15
I. Introduction 16
II. Hydropedology as an Intertwined Branch of Soil Science and Hydrology 20
III. Fundamentals and Applications of Hydropedology 34
IV. Future Needs in Advancing Hydropedology 68
V. Concluding Remark 88
Acknowledgements 89
Reference 90
Chapter 2. Bioindustrial and Biopharmaceutical Products Produced in Plants 105
I. Introduction 106
II. Technology Options 107
III. Production Options 112
IV. Products 124
V. Public Acceptance 130
VI. Conclusions and Future 132
References 133
Chapter 3. Assessing the Potential for Pathogen Transfer from Grassland Soils to Surface Waters 139
I. Introduction 140
II. Pathogens in Livestock Wastes 141
III. Detection and Enumeration Techniques 146
IV. Transfer from Soil to Water 152
V. The Role of Colloids in Facilitating Transfer 165
VI. Factors Affecting Survival 167
VII. Concluding Remarks 182
References 183
Chapter 4. Developing Existing Plant Root System Architecture Models to Meet Future Agricultural Challenges 195
I. Introduction 196
II. Current Work 200
III. Model Processes 205
IV. Extending the Scope of Current Models 218
V. Structure of an Integrated Model 225
VI. Concluding Remarks 226
Acknowledgments 226
References 227
Chapter 5. Labile Organic Matter Fractions as Central Components of the Quality of Agricultural Soils: An Overview 235
I. Introduction 236
II. Total Soil Organic Matter 237
III. Particulate Organic Matter 242
IV. Dissolved Organic Matter 249
V. Extractable Forms of Organic Matter 257
VI. Potentially Mineralizable C and N 261
VII. Synthesis and Conclusions 266
Rererence 272
Chapter 6. Crop Residue Management for Nutrient Cycling and Improving Soil Productivity in Rice-Based Cropping Systems in the Tropics 283
I. Introduction 284
II. Avability of Crop Resident in Rice-Based Croping System 286
III. Management Option for Crop Residues 288
IV. Crop Residue Decomposition 291
V. Crop Residue Management Effect on Nutrient Availability in Soils 307
VI. Effect of Crop Residues on Soil Properties 329
VII. Biological Nitrogen Fixation 353
VIII. Phytotoxicity Associated with Crop Residue Incorporation into the Soil 355
IX. Weed Control and Herbicide Efficiency 358
X. Emission of Greenhouse Gases 359
XI. Agronomic Responses to Crop Residue Management 367
XII. Summary and Conclusions 387
XIII. Research Needs 391
References 394
Chapter 7. Aspects of Jojoba Agronomy and Management 423
I. Introduction 424
II. Plant Description and Characteristics 425
III. Plant Production 426
IV. Genetics 430
V. Agronomic Practices and Plant Adaptation 432
VI. Diseases and Insect Pests of Jojoba 441
VII. Concluding Remarks 444
Acknowledgments 445
References 445
Index 453