Greensand is mined from ancient, nutrient-rich deposits of oceanic sediment. Over time, this sediment developed in glauconite, which is highly effective in slow-release fertilizer used to improve mineral content of soil & other growth media.
– is a mined iron potassium silicate mineral
– a natural source of potassium, magnesium & manganese
– improved friability of hard soils, as well as moisture & nutrient retention
– in an unadulterated form with no synthetic additives or chemicals
