Need Help Sourcing Rock Phosphate Mined Gypsum in ...
Need Help Sourcing Rock Phosphate Mined Gypsum in Hyderabad. ... Once again I did some research online and came to know the United States EPA does not allow using Phospho Gypsum in agriculture. Now back home in Hyderabad the fertilizer guys are passing off Phospho Gypsum as safe to use. ... Based on all of that reading I got the idea that ...