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Advances in Agronomy
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Advances in Agronomy
Publisher: Elsevier Science Publication date: 1949 Publication language: Angielski Number of pages: 453 Publication formats: EAN: 9780080563145 ISBN: 9780080563145 Category: Agriculture & farming Publisher's index: S0065-2113(08)X6056-0 Bibliographic note: -
TOC
- Front Cover 2
- Advances in Agronomy, Volume I 5
- Copyright Page 6
- Contributors to Volume I 7
- Preface 9
- Contents 11
-
Chapter 1. Plant Growth on Saline and Alkali Soils
15
- I. Introduction 15
- II. Characteristics of Saline and Alkali Soils 16
- III. Physiological Basis of Salt Tolerance 19
- IV. Physiological Basis of Alkali Tolerance 23
- V. How Saline and Alkali Soils Affect Plant Growth 24
- VI. Salt Tolerance as Related to the Life Cycle of the Plant 34
- VII. Specificity in Salt Tolerance 43
- References 49
- Front Cover 2
- Advances in Agronomy, Volume I 5
- Copyright Page 6
- Contributors to Volume I 7
- Preface 9
- Contents 11
-
Chapter 1. Plant Growth on Saline and Alkali Soils
15
- I. Introduction 15
- II. Characteristics of Saline and Alkali Soils 16
- III. Physiological Basis of Salt Tolerance 19
- IV. Physiological Basis of Alkali Tolerance 23
- V. How Saline and Alkali Soils Affect Plant Growth 24
- VI. Salt Tolerance as Related to the Life Cycle of the Plant 34
- VII. Specificity in Salt Tolerance 43
- References 49
-
Chapter 2. New Fertilizers and Fertilizer Practices
53
- I. Introduction 53
- II. New and Improved Fertilizer Materials 55
- III. Recent Developments in Fertilizer Use 67
- References 86
-
Chapter 3. Soybeans
91
- I. Introduction 92
- II. Production and Distribution 94
- III. Disposition and Utilization 97
- IV. Physiology of the Soybean Plant 99
- V. Effect of Climate and Location 111
- VI. Effect of Cultural Practices 115
- VII. Genetics and Cytology 129
- VIII. Variety Improvement 137
- IX. Effect on Soils 150
- X. Disease and Insect Pests 157
- XI. The Regional Approach to Soybean Research 164
- References 166
-
Chapter 4. The Clay Minerals in Soils
173
- I. Introduction 173
- II. Historical Development of Clay Mineralogy 174
- III. Crystal Structure of the Clay Minerals in Soil Clays 176
- IV. Qualitative Identification and Quantitative Estimation of the Clay Minerals 185
- V. Distribution of the Clay Minerals in Soils 191
- VI. The Configuration of the Clay Mineral Crystals as Related to their Properties 194
- VII. The Physicochemical Reactions of the Clay Minerals 198
- VIII. Functions of the Clay Minerals 210
- IX. Conclusions 213
- References 214
-
Chapter 5. Alfalfa Improvement
219
- I. Introduction 219
- II. Seed Setting and Production 220
- III. Progress in Methods of Breeding 239
- IV. Conquering Some Diseases 246
- V. Summary and Conclusions 251
- References 252
-
Chapter 6. Soil Microorganisms and Plant Roots
255
- I. Introduction 256
- II. Types of Relationships between Microorganisms and Plant Roots 261
- III. The Rhizosphere Microflora in Relation to the Growth of Higher Plants 263
- IV. The Numbers of Microorganisms Associated with Plant Roots 278
- V. The Kinds of Microorganisms Found on Plant Roots 284
- VI. Modification of the Root Surface Microflora 288
- VII. Influences of the Rhizosphere Flora on Succeeding or Associated Plants 292
- References 296
-
Chapter 7. Weed Control
303
- I. Introduction 303
- II. Tillage, Cropping, and Competition in the Control of Weeds 304
- IV. Principles of Chemical Weed Control 307
- III. Chemical Weed Control 307
- V. Herbicidal Action 309
- VI. Molecular Properties of Herbicides 310
- VII. Emulsions and Emulsion Stabilizers 312
- VIII. Selectivity of Herbicides 313
- IX. The 2,4-D Herbicides 314
- X. Uses of 2,4-D 317
- XI. Nitro- and Chloro-substituted Phenols 321
- XII. Oils 322
- XIII. Other Organic and Inorganic Chemicals 324
- XIV. Water Weed Control 326
- XV. Herbicide Application Equipment 326
- XVI. Drift, Volatilization, Blowing of Herbicides. Secondary and Residual Effects 326
- XVII. Flame Cultivation 328
- XVIII. The New Agronomy 328
- References 329
-
Chapter 8. Boron in Soils and Crops
335
- I. Introduction 335
- II. Boron Determination 337
- III. Boron Availability in Soils 341
- IV. Boron Requirement of Plants 350
- V. Summary 361
- References 362
-
Chapter 9. Potato Production
367
- I. Introduction 367
- II. Breeding and Improving Potato Varieties 369
- III. Chemical Weed Control 371
- IV. Fertilizer Practices 374
- V. Rotations and Green Manures 377
- VI. Response to Nitrogen Fertilization 379
- VII. Response to Phosphorus Fertilization 380
- VIII. Response to Potassium Fertilization 381
- IX. Effects of Magnesium, Liming, and Soil Reaction 383
- X. Minor Elements 385
- XI. Time and Method of Application of Fertilizers 386
- XII. Relation of Yield and Tuber Composition to Plant and Soil Analyses 388
- XIII. Killing Potato Vines 391
- XIV. Recent Developments in Insect Control 395
- XV. Recent Developments in Disease Control 399
- References 400
-
Chapter 10. Fixation of Soil Phosphorus
405
- I. Introduction 405
- II. Accumulation of Phosphorus in Soils 406
- III. Phosphorus Fixation by Soils, Clay Minerals, and Hydrous Oxides 407
- IV. Chemically Precipitated Phosphorus 411
- V. Fixation of Phosphorus by Surface Reactions 414
- VI. Biological Fixation of Phosphorus in Soils 420
- References 423
- Author Index 427
- Subject Index 450