Neutron Meters in Statewide Irrigation Programsby R. W. Hill, Utah State Univ, Logan, UT, USA,
L. N. Allen, Utah State Univ, Logan, UT, USA,
Abstract: These programs have ranged from University demonstrations of new technologies on through completely locally funded and operated programs. The most significant interest has been from those who are pumping from deeper wells and raising high water use crops. Farm field irrigation research includes monitoring existing practices, lysimeter studies and linesource sprinkler experiments for evaluating variety response to fertility and irrigation amounts. Neutron meters are used in farm field research experiments for determining periodic soil water contents. The value of the neutron meter has been the rapid appraisal of repeated soil water measurements at a large number of plots. Calibration consistency of the neutron meters was achieved by using a set of standard barrels with different soils at various water contents with which all the meters were correlated.
Subject Headings: Soil water | Irrigation | Water meters | Agriculture | Field tests | Water content | Colleges and universities | Pumps
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