From an analysis of the properties of the soil, sludge and เบี้อง can be considered as the highest phosphorus soil sediments. Grand place bringing these phosphorus recycled by mixing with fertilizer. Moreover, to reduce waste, water soluble phosphorus, ancient, such research is still in the process of finding the appropriate proportion between the soil alkaline substances to sediments.
การแปล กรุณารอสักครู่..
