Watermark Calculator
The Clemson Watermark Calculator is a tool that can be used to assist with determining the weighted
average of multiple Watermark 200SS sensors at given depths to determine irrigation thresholds.
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The Clemson Watermark Calculator is a tool that can be used to assist with determining the weighted
average of multiple Watermark 200SS sensors at given depths to determine irrigation thresholds. The
Watermark 200SS soil moisture sensor irrigation weighted average thresholds calculated here are based
on the value obtained at each sensor at specific depths as a function of the total soil profile depth
measured. This calculator does not account for faulty equipment or inaccurate inputs. All calculations
were derived from Irrometer Company Inc. recommendations. For comparison of these results to the
Irrometer irrigation threshold recommendations, click
here.
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