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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