Table 31. Amount of Sulphur (95% S) Needed to Lower the Soil pH as Measured to Approximately pH 6.5 - Weights are expressed in Pounds per Acre.
Soil pH found by measurement Broadcast application to whole soil mass (6 inch depth) Sandy Soils Loamy Soils Clayey Soils 7.5
435-655
655-872
872-1089
8.0
1089-1307
1307-1743
1743-2178
8.5
1743-2178
2178-2614
2614-3267
9.0
2178-3267
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Source: The Fertilizer Handbook.
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