... Nitrogen source:Methylene Urea/Urea Formaldehyde 2.Element:NPK+TE(Ca,Mg,S,Cu,Fe,Mn) 3.Can be customized to ... fertilizer used for turf, which is made from NPK plus Ca, Mg, Fe etc. secondary trace elements. We use high purity ... for golf turf Green and Fairway(50%MU) MU npk controlled release Fertilizer for golf turf Green and Fairway(50%MU)