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The Saskatchewan Agricultural Machinery Administration in its test work with combines, noted threshing difficulties particularly with the 1963 harvest. In one report from that year (17) the following was observed:
the effect of selected mechanical threshing parameters on kernel damage and threshability of wheat
Vas, F. M. and H. P. Harrison 1969. THE EFFECT OF SELECTED MECHANICAL THRESHING PARAMETERS ON KERNEL DAMAGE AND THRESHABILITY OF WHEAT. Canadian Agricultural Engineering 11(2):83-87.
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