Water & Nutrient Management:
Soil Moisture-Based Irrigation Systems

Effective irrigation practices can increase crop yield and lower costs. Sensor based measurement systems are a key factor in effective water management.

Please view the Workshop Videos in the order listed below.

Introduction

• Welcome and Outline of Contents

Principles: Soil Moisture-Based Irrigation Systems

• Timed Irrigation
• Bypass Timer Irrigation
• On-Demand Irrigation

Components

• Irrigation Components
• Soil Moisture Sensors
• Irrigation Sensor Placement

Practical Considerations

• Application of the System

Soil Moisture Sensors for Manual Irrigation Control

• Irrigation Sensor Families

Volumetric Sensors for Soil Moisture

• Neutron Probe
• Time Domain Reflectometry
• Capacitance Probe
• Combined Probe
• Frequency Domain Reflectometry (FDR)
• Amplitude Domain Reflectometry
• Phase Transmission
• Time Domain Transmission

Tensiometric Measurement

• Tensiometer
• Gypsum Block
• Granular Matrix Sensors (GMS)
• Heat Dissipation
• Soil Psychrometer

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This page was last updated on June 15, 2010.