Organica Microbial Soil Conditioner Natural Lawn Program A biologically diverse soil conditioner comprised of calcium and a select array of beneficial soil bacteria, actinomyces and fungi. Microbial Soil Conditioner is a Plant Growth Activator Plus impregnated on a calcium carrier. Improve nutrient availability Increases the biological activity in the soil profile. Addresses soil health and plant growth. Simultaneously feeds soil and turf. Covers 5,000 sq. ft. area Apply in the late Spring (Step 3) Ships Quickly! Unavailable in the following states: DC OH