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Fig. 5. Average soil bulk density in and out of wheel tracks in no chisel and chisel plow treatments during 1987 through 1989. Treatments are: WT-IN (in wheel tracksno chisel plow), WT-OUT (out of wheel tracksno chisel plow), WTC-IN (in wheel trackschisel plowed), and WTC-OUT (out of wheel trackschisel plowed). Within depths, bars with the same letter are not statistically different at P < 0.10 according to the LSD test.
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