... :Methylene Urea/Urea Formaldehyde 2.Element:NPK+TE(Ca,Mg,S,Cu,Fe,Mn) 3.Can be customized to ... used for turf, which is made from NPK plus Ca, Mg, Fe etc. secondary trace elements. We use ... turf , extend the green period and enhance turf’s stress resistance. In addition, this product can remain ... and denitrifying loss. It can also decrease fertilizer’s chemical and biological immobilized in soil.2). This ...