Organifer primeval rock lava grit is the highest-quality lava grit available on the market. This soil amendment boasts the highest concentration of minerals and the best processing capabilities. It is versatile and excellent for spreading or mixing. Widely used in gardens as a soil enhancer, this highly mineral-rich lava grit also exhibits indirect effects against horsetail and other weeds. It has a very high pore volume and improves soil conditions in compacted soils. It enhances soil structure, water and air retention, root penetration, and the availability of minerals in the soil. Lavagruis is widely and successfully applied in gardens, agriculture, sports fields, forestry, and nurseries.
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