... price Packing: packed in polywove NPK Fertilizer: The product is a kind of granular solid fertilizer consisting of nitrogen (N), phosphate (P2O5 ... ), kalium (K2O) and many medium and trace elements (e.g. iron, magnesium, zinc ... of nitrogen, phosphate and kalium): 10-0-10, 12-12-0,0-8-16, 13-5-0, 15-15-0, 0-10-5, 16-8-4-1 ...