The Role of Plant Roots in Crop Production

ISBN: 9781439867372 出版年：2012 页码：461 Fageria, Nand Kumar CRC Press

Types of Plant Roots, Their Measurements, and Associations with Yield Roots of Cereals, Legumes, and Grasses Root-to-Shoot Ratio Contribution of Root, Shoot, and Grain in the Total Plant Weight Root Length Specific Root Length Root Dry Weight Surface Area Root Depth and Density Root Development Relative to Plant Growth Stage Crop Yield versus Root Growth Uptake of Nutrients by Roots Forms of Absorption and Functions of Essential Nutrients in Plants Nutrient-Deficiency/Sufficiency Diagnostic Techniques Uptake of Nutrients by Crop Plants Nutrient Interaction Nutrient Use Efficiency Mechanisms Involved in Nutrient Uptake and Use Efficiency Role of Crops in Improving Nutrient Use Efficiency under Biotic and Abiotic Stresses Breeding for Nutrient Use Efficiency Nutrient Requirements of Conventional and Transgenic Plants Absorption of Water by Roots Water Requirement of Annual Crops Estimating Crop Water Use Water Use Efficiency in Crop Plants Importance of Water to Mineral Nutrition of Crop Plants Water Deficits versus Salinity Water Deficits versus Soil Microbiology Drought Management Strategies for Reducing Drought Rhizosphere Chemistry Effect of Oxygen on Root Growth Physical, Chemical, and Biological Changes The Rhizosphere Chemistry of Flooded Rice Introduction Rice Ecosystems Type of Soils Used for Lowland Rice Cultivation Physical, Biological, and Chemical Changes in the Flooded or Submerged Soils Mycorrhizal Associations in the Rhizosphere Taxonomy and Biology of Mycorrhizal Fungi Factors Affecting Mycorrhizal Colonization Benefits of Mycorrhizal Fungi Use of Mycorrhizae in the Cropping Systems Effects of Mineral Nutrition on Root Growth of Crop Plants Macronutrients Micronutrients Ecophysiology of Major Root Crops Sugar Beet Cassava Sweet Potato Carrot Management Strategies for Maximizing Root Systems Optimizing Soil Physical Properties Optimizing Soil Chemical Properties Optimizing Soil Biological Properties Optimizing Cultural Practices Breeding Crop Varieties for Better Root Systems