Crop Science Journal of Natural Resources and Life Sciences Education
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Published in Crop Sci 15:869-870 (1975)
© 1975 Crop Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Modification of a Self-Propelled Plot Combine for Harvesting Hill Plots of Soybeans1

B. E. Carlson, T. J. Bandstra, W. R. Fehr and R. C. Clark2

A self-propelled plot combine was modified to facilitate the harvest of hill plots of soybeans (Glycine max (L.) Merr.). The modified combine reduces the amount of labor required by about 50% when compared with a stationary plot thresher.

A conveyor was mounted on the side of the combine to transport the identification tag for each hill from the header to the person bagging the seed. The person bagging sits on a carnage mounted near the seed delivery spout. The seed bag and identification tag are tied together by an air-powered tying machine. A hydrostatic transmission provides the combine with a variable-speed cylinder.

Key Words: Glycine max (L.) Merr. • Bag tier • Variable-speed cylinder

1 Joint contribution: journal paper no. 5-8129 of the Iowa Agric. and Home Economics Exp. Stn., Ames, Iowa, Project 1179, and the ARS-USDA. The research was supported by a grant from the Iowa Soybean Promotion Board.

2 Undergraduate research assistant, research associate, and professor, Dep. of Agronomy, and agronomist, ARS-USDA, Iowa State Univ., Ames, IA 50011.

Received for publication May 2, 1975.




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Copyright © 1975 by the Crop Science Society of America.