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Fig. 8. Soil pHs (pH in 1:1 soil/0.01 mol L–1 CaCl2) measured at 10 depths in acidic Typic Hapludult grassland columns with (L) and without (U) surface liming 27 wk after addition of four rates of goat urine. Values of pHs for the eight lower depths are given on the scale at the bottom of the figure.
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