Microirrigation for Crop Production : Design, Operation, and Management.

Microirrigation for Crop Production: Design, Operation, and Management, Second Edition is the latest release in this go-to foundational resource for the basics of engineering and the science of the design and operation of micoirrigation systems. This new edition includes novel methods for measuremen...

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Bibliographic Details
Main Author: Ayars, James E.
Corporate Author: ScienceDirect (Online service)
Other Authors: Zaccaria, Daniele, Bali, Khaled M.
Format: eBook
Language:English
Published: San Diego : Elsevier Science & Technology, 2023.
Edition:2nd ed.
Subjects:
Online Access:Connect to the full text of this electronic book
Table of Contents:
  • Front Cover
  • Microirrigation for Crop Production
  • Microirrigation for Crop Production
  • Copyright
  • Dedication
  • Contents
  • Contributors
  • About the editors
  • Preface
  • 1
  • Introduction#
  • 1.1 History and current status
  • 1.1.1 Early history worldwide
  • 1.1.2 History in United States
  • 1.1.3 Area using microirrigation
  • 1.1.4 Principal crops utilizing microirrigation
  • 1.1.5 Trends
  • 1.1.6 Economics
  • 1.1.7 Expansion in developing countries
  • 1.2 General principles
  • 1.2.1 Advantages
  • 1.2.1.1 Increased water use efficiency
  • 1.2.1.2 Adaptability to irregular terrain and difficult and varying soil conditions
  • 1.2.1.3 Higher level of control on water applications
  • 1.2.1.4 Improved crop yields and quality
  • 1.2.1.5 Reduced nonbeneficial water use
  • 1.2.1.6 Use of saline water
  • 1.2.1.7 Improved fertilizer and other chemical application
  • 1.2.1.8 Decreased energy requirements
  • 1.2.1.9 Improved cultural practices
  • 1.2.1.10 Use of biological effluent, treated wastewaters, and lagoon waters
  • 1.2.1.11 Suitability for automation
  • 1.2.2 Disadvantages
  • 1.2.2.1 High management skills required
  • 1.2.2.2 Extensive maintenance requirements
  • 1.2.2.3 Energy usage
  • 1.2.2.4 Salt accumulation near plants
  • 1.2.2.5 Restricted root development
  • 1.2.2.6 High system costs
  • 1.2.2.7 Restricted crop rotation
  • 1.2.2.8 Increased incidence of pests and diseases
  • 1.2.3 System considerations
  • 1.2.3.1 Design and installation considerations
  • 1.2.3.2 Maintenance considerations
  • 1.2.3.3 Management considerations
  • 1.2.3.4 Economic considerations
  • 1.2.3.4.1 System costs
  • 1.3 System components
  • 1.3.1 Emission devices
  • 1.3.2 Distribution system
  • 1.3.3 Control and automation
  • 1.3.4 Filtration
  • 1.4 System types
  • 1.4.1 Surface drip irrigation
  • 1.4.2 Subsurface drip irrigation
  • 1.4.3 Bubbler irrigation
  • 1.4.4 Microsprinkler irrigation
  • 1.5 Summary
  • References
  • 2
  • Soil water concepts
  • 2.1 Introduction
  • 2.1.1 Soil water regime for high-frequency irrigation
  • 2.2 Soil water representation
  • 2.2.1 Soil water content
  • 2.2.2 Soil water potential
  • 2.2.3 Soil-water characteristic curves
  • 2.2.4 Soil water measurements
  • 2.2.4.1 Gravimetric determination of soil water content
  • 2.2.4.2 Neutron scattering
  • 2.2.4.3 Time-domain reflectometry
  • 2.2.4.4 Capacitance methods
  • 2.2.4.5 Tensiometers
  • 2.2.4.6 Heat dissipation
  • 2.2.4.7 Electrical resistance
  • 2.3 Soil-water movement
  • 2.3.1 Darcy-Buckingham law
  • 2.3.2 The Richards' equation
  • 2.3.3 Measurement and estimation of soil hydraulic parameters
  • 2.3.3.1 Direct measurements
  • 2.3.3.2 Indirect measurements
  • 2.3.3.3 Inverse methods
  • 2.3.4 Obtaining estimates of soil hydraulic parameters using pedotransfer functions
  • 2.4 Modeling water regimes for micro-irrigation design and management
  • 2.4.1 Simplified hemispherical model