Composition
Nutrient content (w/w) 11% total nitrogen (N): 11% ammonium nitrogen (N), 51% total phosphorus pentoxide (P2O5) (=22% P), 48% phosphorus pentoxide (P2O5) soluble in water, 51% phosphorus pentoxide (P2O5) soluble in neutral ammonium citrate, 1.5% total iron (Fe) as oxide, 1% total zinc (Zn) as oxide