Gypsum as an Agricultural Amendment: General Use Guidelines
95% < 150 microns) than agricultural mined gypsum that is granulated to produce a final size of 2–4 mm. However, FGD gypsum can also be processed to form larger-sized granules. Table 1-2. Some Mineralogical and Physical Proper-ties of FGD Gypsum from the W. H. Zimmer Station of