. Canadian journal of agricultural science. Agricultural Institute of Canada; Agriculture. Figure 7A Jointers are used to cut and turn over the edge of the furrows close to the colter so that when the slice is turned over, all surface growth will be completely buried. It simply turns over a small furrow, which lies on top of the furrow slice. This is turned over by the moldboard, the result being a clear edge between the furrows and no weeds visible. The jointer should be set with its point directly below the hub of the colter and so as to cut not more than two inches deep. The point should be
. Canadian journal of agricultural science. Agricultural Institute of Canada; Agriculture. Figure 7A Jointers are used to cut and turn over the edge of the furrows close to the colter so that when the slice is turned over, all surface growth will be completely buried. It simply turns over a small furrow, which lies on top of the furrow slice. This is turned over by the moldboard, the result being a clear edge between the furrows and no weeds visible. The jointer should be set with its point directly below the hub of the colter and so as to cut not more than two inches deep. The point should be set verj^ close to colter, but a small clearance should be allowed between jointer and colter. This clearance prevents the jointer from catching and retaining trash. Figure 8 shows a typical combined rolling colter and jointer. So many people have asked if the jointer is to clean the colter that the writer takes this opportunitj" of saying it is not for this purpose. m/i//!^ t/iem easy foraa. Figure 9 shows a jointer and rolling colter attached to the beam independently. Notice the chain for cov- ering the weeds as well as the device for keeping the colter Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ottawa [etc. ]
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