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Fig. 5. Effect and interaction of residue management (RM) and trinexapac-ethyl (TE) treatment on harvest index in first year (2001), second year (2002), third year (2003), and fourth year (2004). RM treatments: burn, flail. TE treatment legend: CK = check; EF = average of two early fall rates; LF = average of two late fall rates; ES = early spring; LS = late spring. Vertical bars represent LSDs (p = 0.05) in years where significant differences were found. LSD TE is for comparison between TE treatments averaged across RM in 2002. In 2003 and 2004, LSD 1 is for comparison of TE treatment at the same level of RM within each year. LSD 2 is for comparison of RM at the same or different level of TE treatment within each year. T bars represent one SEM for each treatment combination.
