Southern Ag Triple Super Phosphate 0-40-0 Bulb Booster Catalog Outdoor, Lawn & Garden Gardening Southern Ag Triple Super Phosphate 0-40-0 Bulb Booster Manufacturer : Southern Ag Description TRIPLE SUPER PHOSPHATE 0-40-0 BULB BOOSTER • Enhances stem strength and flower formation and set CONTAINS: Granular grade Phosphate 40%. Not for spraying. USE ON: Vegetables, fruit trees, bulbs, flowers and shrubs. PROVIDES: Phosphorous for increased rooting and blooming. RATE: At planting: Use 5 lbs. per 200 sq. ft.Vegetables: 1 lb. per 50 foot of row.Roses or large shrubs: 1/4 cup per plant.Fruit trees: 1 cup per inch of trunk diameter.Top dress: .25 - .5 cup per 20 square feet. APPLICATION: Spread over area and water in thoroughly or incorporate into planting bed. Rates Please contact us for current pricing and availability.