Reservoir SP, a liquid soil wetting agent treats localized dry spots (LDS) and improves the efficiency of your water and nutrient programs. This easy-to-use formulation can be injected into your irrigation system or applied with a backpack sprayer for more targeted delivery. It enhances water penetration and reduces evaporation, run-off and soil erosion. Reservoir SP also increases overall irrigation efficiency and promotes water, nutrient and nitrogen availability.