Herbage Capacitance Meter: An Evaluation of Its Accuracy in Florida Rangelands

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Abstract
Results of regression analyses of the use of a capacitance meter to estimate herbage weight are reported. Estimation of dry weights was accurate as estimation of green weights. Analysis of covariance for 3 factors (site, season of year and year of data collection) showed only season significantly (P < 0.01) affected the relationship between herbage weight and meter reading. Simple linear regressions were compared to natural log regressions. Log regressions were better predictors of herbage weight as determined by Furnival''s Index. Winter and spring was the best time to use the capacitance meter, probably due to decreased effect of moisture fluctuations on the meter''s performance.

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