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Development of Grain Yield Monitor for Head-feeding Combines

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan

Citation:  Paper number  051136,  2005 ASAE Annual Meeting . (doi: 10.13031/2013.18872) @2005
Authors:   Michihisa Iida, Yong Yao, Atsushi Kimura, Mikio Umeda
Keywords:   Precision farming, grain yield map, flow sensor, return flow, paddy filed

Outline of a grain yield monitor for head-feeding combine is presented in this paper. It consists of two grain flow sensors, a single kernel moisture sensor, an RTK-GPS and so on. A method to correct the time lags in the separation and cleaning section and the circulation of grain flow using a return flow sensor is adapted to obtain the accurate grain yield. The yield monitor was installed on a 4-row combine, and was tested in several hectares of paddy fields. In addition, a grain yield mapping software was developed for this monitor.

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