Books  Botany & Plant Science  Plants & Botany: Biology & Ecology 

The Role of Plant Roots in Crop Production

By: Nand Kumar Fageria (Author)

467 pages, 159 b/w illustrations, 107 tables

CRC Press

Hardback | Jul 2012 | #203503 | ISBN-13: 9781439867372
Availability: Usually dispatched within 6 days Details
NHBS Price: £81.99 $104/€98 approx

About this book

The Role of Plant Roots in Crop Production presents the state of knowledge on environmental factors in root growth and development and their effect on the improvement of the yield of annual crops. The Role of Plant Roots in Crop Production addresses the role of roots in crop production and includes references to numerous annual crops. In addition, it brings together the issues and the state-of-the-art technologies that affect root growth, with comprehensive reviews to facilitate efficient, sustainable, economical, and environmentally responsible crop production. Written for plant scientists, crop scientists, horticulturalists, and soil scientists, plant physiologists, breeders, environmental scientists, agronomists, and undergraduate and graduate students in different disciplines of agricultural science,

The Role of Plant Roots in Crop Production:
– Addresses root architecture and development dynamics to help users improve crop productivity
– Emphasizes crop production, plant nutrition, and soil chemistry relative to root growth and functions
– Covers root morphology, root functions, nutrient and water uptake by roots, root-soil interactions, root-environment interactions, root-microbe interactions, physiology of root crops, and management practices to improve root growth
– Supports content with experimental results, and additional data is presented with pictures Increasing food production worldwide has become a major issue in the 21st century.

Stagnation in grain yield of important food crops in recent years in developed, as well as developing, countries has contributed to a sharp increase in food prices. Furthermore, higher grain yield will be needed in the future to feed a burgeoning world population with a rising standard of living that requires more grain per capita. Technologies that enhance productivity, ensure environmental safety, and conserve natural resources are required to meet this challenge.


Contents

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


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