Soil Acidifier - Use as a soil amendment to lower the pH of alkaline soil. Soil bacteria change the sulfur to sulfuric acid, lowering the soil pH. Jobe's Organics Soil Acidifier decreases soil pH. Espoma - 6 lb. If your soil pH is below 6.5, further acidifica … For the process to work properly, you must mix the elemental sulfur with the soil. Use to provide plants with sulfur to encourage growth and dark greening. The oxidation creates sulfuric acid in the soil solution, thus reducing soil pH. Soil bacteria convert the sulfur to sulfuric acid lowering the soil … From micronutrients to bacteria, your soil is teeming with life. Best Soil Acidifier: Espoma UL30 Organic Soil Acidifier Fertilizer; ... these fertilizer spikes by Jobe’s work underground to feed your trees at their roots, where they need it most. If the soil pH is greater than 5.5, apply elemental sulfur (S) to decrease the soil pH to 4.5 (see Table 1). Easy-pour bag. If you want to maintain, restore, or enhance the soil … Homemade Soil Acidifier Tricks. elemental sulfur to the soil. ... Fast-acting fertilizer, Proprietary microorganism archaea. Spring application and incorporation work best. Organic ingredients for natural soil … Verdict. It is specially formulated with all-natural ingredients to provide acid-loving plants with sulfur, a natural ingredient used to correct alkaline soils.Organic granular for decreasing soils alkalinity; provides acid …