PAR4® Greensand (glauconite)
PAR4® Greensand (glauconite) is a naturally occurring iron-potassium silicate used to remineralize soil. Long used in sustainable agriculture, PAR4® Greensand provides essential trace elements, including silicon, to help loosen hard soils, bind sandy soils, and contributes to plant health – strengthening the plants ability to withstand disease and insect attack. Finely ground so over 70% passes through a #100 screen, nutrients are rapidly utilized by the plant. It can be incorporated into soil mixes and compost.