I found an asp file online with acidifying soil information. I sent it
to myself twice and it held together so let's see what the NAFEX list-serv
will do to it:
Table 3. Suggested Application of Ordinary Powdered Sulfur To Reduce the pH
of an 8-Inch Layer of Soil, as Indicated in Pt/100 Sq Ft**
Pints of sulfur for 100 sq ft to reach pH of
4.5 5.0 5.5 6.0 6.5
Original pH of Soil
(based on water pH value) Sand Loam Sand Loam Sand Loam Sand Loam Sand
Loam
5.0 0.67 2.0 - - - - - - - -
5.5 1.33 4.0 0.67 2.0 - - - - - -
6.0 2.0 5.5 1.33 4.0 0.67 2.0 - - - -
6.5 2.5 8.0 2.0 5.5 1.3 4.0 0.67 2.0 - -
7.0 3.0 10.0 2.5 8.0 2.0 5.5 1.3 4.0 0.67 2.0