Southern Ag's Essential Minor Elements is great for overall plant health, and delivers nutrients that that typical N-P-K fertilizers do not.

Contains 9.28% magnesium, 2.32% manganese, 3.72% iron, 10% sulfur, 0.25% copper, 0.71% zinc. 0.025% boron, 0.002% molybdenum. Use on shrubs, trees, lawns, turf, flower and vegetable gardens for the correction or prevention of many minor element deficiencies. Rate: gardens - preventative 1/4-1/2 cup per 10 sq. ft. or 1 1/4-2 1/2 lbs per 100 sq. ft., curative 1 cup per 10 sq. ft. or 5 lbs. per 100 sq. ft.; turf-1 lb. per 100 sq. ft. or 10 lbs. per 1,000 sq. f