Holganix Bio 800+ Soil Microbial BiostimulantHolganix Bio 800+ Agriculture 2. 5 Gallon Jug Microbial Soil Health Enhancer From corn to soybeans, to produce and specialty crops, Holganix products have been used on dozens of crop types across the U. S. and Canada. Because the health and vitality of your crops and soil is of the utmost importance to us, we put Holganix Bio 800+ products to the test. For use on Crops ~ Turf ~ Fruit ~ Vegetable ~ Nursery Trees ~ Ornamentals It all comes down to soil