SOLTOP 3-37-37 (RED) SOLTOP 3-37-37 (RED) TRADE NAME COLOUR % W/W COMPOSITION PACKING SOLTOP 3-37-37 RED 3 % TOTAL NITROGEN (N) 37 % PHOSPHORUS OXIDE (P2O5) 10 & 25 Kg 3 % NITRIC NITROGEN (NO3) 37 % POTASSIUM OXIDE (K2O)