Whether you’re a grad student embarking on an environmental measurement campaign, an experienced researcher, or a grower concerned with irrigation management, at some point you’ve probably realized you need to measure soil moisture. Why? Because water availability is one of the main drivers of ecosystem productivity, and soil moisture (i. e., soil water content/soil water potential) is the immediate source of water for most plants. Learn everything you need to know about measuring soil moisture. What’s included:
- What does soil moisture mean?
- Which variable should I measure?
- Watch 3 soil moisture webinars given by METER soil scientists
- Gravimetric vs. Volumetric water content (VWC)
- How to measure VWC
- Method and sensor comparisons
- What is saturation?
- What is water potential?
- Predict water movement and plant available water
- Field capacity and permanent wilting point
- Soil type
- Soil water retention curves (moisture release curves)
- Do I need water content or water potential?
- How many sensors do I need?
- Which installation method is best?
- Site disturbance issues and best practices
- Soil-specific calibration
- in situ vs. lab release curves
- TDR vs. Capacitance sensors
- ECH2O vs. TEROS sensors
- Soil moisture data collection best practices
- Data interpretation
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