6 cups ≈ 1 lb; 1 cup ≈ 2.5 oz; 1 tbsp ≈ 0.2 oz
Vegetable Gardens & Flower Beds: To prepare new gardens, apply 1-2 lbs per 100 square feet and thoroughly mix into the top 3″ of soil. For new transplants, add 1-2 tbsp per hole, mix into soil and water in well. To feed established plants, side dress 1-2 oz, depending on plant size and desired growth rate, once each month during the growing season.
Outdoor Containers: For new plantings, add 1-2 tbsp per gallon of soil and mix thoroughly OR add 1 cup per cubic foot. For established plants, lightly mix 1-2 tbsp per gallon into the soil surface once each month during the growing season.
Trees & Shrubs: Spread 1 lb per 1″ of trunk diameter around the base outwards to the drip line, mix into soil surface and water in well. For new trees, prepare transplant hole and mix 1-2 cups with the backfill soil. Use amended soil to fill in around the new tree and water in well.