SOLTOP 3-11-38 + 4 (WHITE) SOLTOP 3-11-38 + 4 (WHITE) TRADE NAME COLOUR % W/W COMPOSITION PACKING SOLTOP 3-11-38 + 4 WHITE 3 % TOTAL NITROGEN (N) 38 % POTASSIUM OXIDE (K2O) 10 & 25 Kg 3 % NITRIC NITROGEN (NO3) 4 % MAGNESSIUM OXIDE (MgO) 11 % PHOSPHORUS OXIDE (P2O5) 25 % SULPHUR (SO3)