Tomato Fertilizer - Tomatoes Alive! Plus - 100% All-Natural Fertilizer (3 lbs) All-natural formula produces 150% more tomatoes by weight! Perfectly balanced with what tomatoes need, including calcium and magnesium. Fast and slow-release ingredients nourish plants all season with just 2 feedings. Enhances photosynthesis and stimulates soil microorganisms for maximum benefit. Also suitable for peppers and eggplants, which require similar nutrients.