The readily-operated combination method of estimating evapotranspiration was applied using simple atmometers, calibrated against absolute evapotranspiration. While 76.6 per cent of the variance of estimates was accounted for by the regression in the first season under wheat, no significant results were achieved in a further four seasons. Combined data for two seasons under legume pastures enabled 30.1 per cent of the variance of estimates to be accounted for.
Western Australia, Wheat, Evapotranspiration, Measurement, Pastures, Soil water
Bligh, K J. (2001), Calibration and use of a combination atmometer to estimate evapotranspiration and monitor soil moisture storage on farmland catchments in Western Australia. Department of Agriculture and Food, Western Australia, Perth. Report 128.
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