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Using Modified Atmometers (ETgage®) for Irrigation Management
Describes the atmometer (evapotranspiration gauge) and explains how it can be used for irrigation scheduling. Examples are provided to show how information collected with an atmometer can be used to estimate crop water use for corn and soybean.
PDF version (975 KB)
Watermark Granular Matrix Sensor to Measure Soil Matric Potential for Irrigation Management (530 KB; 8 pages)
Defines soil matric potential and describes principles and operational characteristics of one of the electrical resistance type soil moisture sensors for irrigation management. Examples show how soil matric potential can be used for irrigation management.
ETgage® and Watermark Sensor Instructions Checklist
Brief list of steps involved in using the ETgage atmometer.