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Soil surface roughness as influenced by selected soil physical properties

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Figure

Fig. 1. A parabolic chisel.
Fig. 2. A secondary tillage implement known as a do-all.
TABLE IIWater content at a matric potential of -33 kPa, aggregate stability, and aggregate size distribu-tions as given by the mean weight diameter
TABLE IVSoil conditions before each cultivation (each treatment)
+2

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