four unique parts,
    all with the same
    level of importance.

50% Calcium Carbonate

25% Biotite (Potassium Mica / Pyroxene / Vermiculite)

  • Biotite mica is primary, high energy clay which exchanges potassium cations for OH and alters to vermiculite.
  • Surplus potassium in the soil solution is reacquired by vermiculite reverting back to biotite. Thus, potassium from biotite is 100% plant available compared to 20 to 25% for chemical potash fertilizers.
  • Manure compost plus SRC biotite can supply all potassium requirements for soils.
  • Biotite functions immediately as fast as chemical fertilizer at supplying K within the growing season.
  • SRC pyroxene group of minerals rich in magnesium and iron are the most reactive in the Spanish River Carbonatite Complex deposit.
  • During the formation of soil clays, magnesium is consumed in large quantities to form high cation-exchange capacity clay minerals such as chlorite, montmorillonite and illites.

12% Apatite (Phosphorus)

13% Trace and Rare Earth Elements

SRC contains the most extensive suite of trace minerals of any organic or chemical fertilizer Boreal has evaluated. Many are critical catalysts in mineral/microbial/plant interactions and explain in part SRC’s excellent response over a vast and complex array of different soil types and growing conditions.

Partial List of Trace Elements (Note: as ppm – parts per million):

  • 1200 ppm manganese (Mn)
  • 60 ppm zinc (Zn)
  • 10 ppm copper (Cu)
  • 10 ppm cobalt (Co)
  • 12 ppm molybdenum (Mo)
  • 40 ppm boron (B)