A Method Is Presented of Using Filter Paper as a Passive Gravimetric Moisture Stress Sensor With Routine Gravimetric Soil Moisture Sampling Programs. Filter Paper Used as an Indirect Gravimetric Moisture Stress Sensor Makes It Possible to Obtain a Moisture Stress Value for Each Gravimetrics Soil Moisture Sample. It Is Concluded That the Method Is Versatile, Accurate, Convenient, and Economical. It Was Effective Over the Entire Stress Range From 0.001 Bars to 1,500 Bars, and From 1 to 1,500,000 Centimeters of Water (Pf 0 to 6.2). It Can Be Used by Anyone Conducting at Gravimetric Soil Moisture Content Sampling Program Either as Control for Neutron Moisture Measurements or in Lieu of Them. Moisture Stress May Be Determined by This Filter Paper Method With an Accuracy That Is Comparable to or Better Than the Accuracy of Other Methods With Limited Ranges. /Author/
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McQueen et al. (1968) studied this question.