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Comparison of Drills for Winter Wheat
Dave Olson ObjectiveCompare winter wheat seeding methods for erosion protection and yield.
TreatmentsConventional - cultivate;
seed with Haybuster double disk. CommentsAll plots were"mudded" into in mod-November. Significant rainfall did not occur until late October. Field, with exception of the plot area, was overseeded with spring wheat early in April due to poor fall stand. The trial was reduced from four replications to three. Yields were measured in the overseeded area as well as the plot itself. Over-winter erosion pressure was severe. Running plots up and down the hill was successful in preventing water run-on from outside plots, but increased erosion in cultivated treatments. Data
ConclusionsThe direct seed treatment was the most erosion resistant but yielded the least. Yield of the chisel drill was significantly better than the other methods at the 5% level of confidence. Overseeding paid as the two strips harvested outside the plot area averaged 81.6 bu/ac; test weight was also better than in the plots (observed weed pressure was significantly reduced by overseeding spring wheat). |
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