Greensand (50 lb)

Used as a soil amendment and fertilizer, Greensand (0-0-3) is mined from deposits of minerals that were originally part of the ocean floor. Contains about 3% total potash, along with iron, magnesium, silica and as many as 30 other trace minerals. May also be used to loosen heavy, clay soils. Improves plant health. Broadcast 50-100 lbs. per 1,000 sq. ft. OMRI Listed for use in organic production.

Derived from naturally occurring Iron-Potassium Silicate.