Ferrous Sulfate Heptahydrate Fertilizer Iron Sulfate
Flowers & Vegetables: Apply at the rate of 1/4 to 1/2 pound. (1/2 to 1 cup) per 100 square feet. Trees & Shrubs: Apply at the rate of 1/2 to 1 pound. (1 to 2 cups) per 100 square feet. Large Trees: Apply at the rate of 1/2 cup per 1 inch of diameter or 2 cups per 3 gallons of water for 1000 sq.ft. How to Kill Moss with Ferrous (Iron) Sulfate:
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