schultz all purpose plant food schultz all purpose liquid plant food schultz all purpose plant food 20-20-20 schultz all purpose 10-15-10 liquid plant food, 32-ounce schultz all purpose 10-15-10 plant food plus, 8-ounce schultz all purpose schultz all purpose fertilizer schultz all purpose slow release plant food 16-12-12 3.5lb schultz all purpose 10-15-10 plant food plus schultz all purpose liquid plant food 10-15-10, 4 oz