Moisture Meter Performance I. Corn Over Five Crop Years

Date
1987
Authors
Hurburgh, Charles
Paynter, L.
Hurburgh, Charles
Schmitt, S.
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Agricultural and Biosystems Engineering
Abstract

The long-term accuracy of the 1981 Iowa-Illinois moisture-meter calibrations was evaluated by meter-to-oven comparisons on 2999 samples from the 1979-1983 crop years. Although the five-year average accuracy of the trade meters Steinlite SS250, Dickey-john GACII, and Motomco 919 was ±0.5 percentage point relative to the air-oven up to 25% moisture (wb), there was up to ± 0.7 point accuracy variation among crop years. A year-to-year component was added to the previously published variance model; this component represents about 35% of total variance of a meter test relative to an oven test.

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This article is from Transactions of the ASAE 30 (1987): 579–581. Posted with permission.

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