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Fig. 4. Harvest year effect on switchgrass (Swg), grassy weeds (GW), broadleaf weeds (BW), senesced material (SM), and miscellaneous (Misc.) percentage for three locations in South Dakota, and sweetclover (SC) for Location 2. Values are averaged across N rate and harvest timing. Fisher's protected LSD(0.05) values, to compare across harvest year, are shown above the respective bars for each component for each location. NS = not significant at 0.05 level of probability.
