The Primary Study on the Field Calibration of Neutron Soil Moisture Meter
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Abstract:
In the Agriculture Meteorological Rule, it was prescribed that the field calibration must be done before the soil moisture is measured by the Neutron Soil Moisture Meter. It was found in practice that calibration method is very difficult and has a time limitation and objective error. The questions can best be solved with dividing calibration time and changing calibration place.