S-K-Microsource is Heart Of Nature’s premium organic agricultural mineral line. Sourced from million year old volcanic deposits rich in essential minerals that lower pH, enrich soil and invigorate plants.
Best used in broadcast type applications where the entire field is intended to be treated. Great for pH reduction and maintenance and as a pre-plant amendment. S-K-Microsource Ag Grade is our base material crushed and straight from the mine.
Best used in broadcast type applications where the entire field is intended to be treated. Great for pH reduction & maintenance and as a pre-plant amendment. S-K-Microsource +Humates is our base material with the added benefits of humate.
Best used in targeted row banding type applications. Great for pH reduction, new plantings and as a pre-plant amendment. S-K-Microsource +Humates Prill is our base material with the added benefit of humate in a convenient prilled format.