Jonathan Green MAG-I-CAL 20 Lb. 5000 Sq. Ft. 15% Calcium Lawn Fertilizer for Alkaline Soil

Lawn fertilizer for lawns and gardens in alkaline soil. Contains calcium and sulfur to quickly adjust high soil pH. Calcium builds stronger cell walls for better disease, insect, and drought resistance. Contains humates that increase soil microbial activity, reproduction, and metabolic function. Aids water uptake and improves soil structure. Use in place of sulfur. Application rates vary according to soil pH levels.