Al biariq fertilizer company riyadh saudi arabia. potassium sulphate factory. al biariq established its potassium sulphate plant in 2009 at the capacity of 22,000 ton per year, we became the first manufacturer of potassium sulphate in saudi arabia and still is we product potassium sulphate (greensop) from the best and purist of raw material by using the latest and newest techniques. About fertilizers this menu provides you with all you need to know about plant nutrients and their multiple roles. Lignin is an excellent raw material for preparing chemicals because of its rich sources and low price. it also contains a variety of active functional groups, including hydroxyl, methoxy, carbonyl, carboxyl, and benzene. according to researches, the two Jobes easy gardener 2712 160 piece display domestic fruit tree fertilizer 10 easy-to-use slow release formula specially formulated for trees and shrubs three spikes feed a tree with a 3-in diameter trunk for fruit and citrus trees feeds all season 15 per pack. slow-release fertilizers can be safely applied at higher rates.