SOP is not really a In a natural way developing mineral, and typically has to be produced via chemical techniques. Because of the source-intense processes utilised to develop it, SOP is priced larger than MOP. The commonest process employed to make the fertilizer SOP is known as the Mannheim process. https://sri-lanka-fertilizer80235.blog-gold.com/32937967/sop-fertilizer-for-sale-in-sri-lanka-can-be-fun-for-anyone