Cottonseed Meal N,P,K: 5 to 7,2,2, 50 pound bag. Sold by GreenSense 50 pound bag. About 2,500 to 5,000 square feet application. 5%-7%N - 2%P - 2%K. High organic nitrogen source An acidic fertilizer great for plants like Camellias, Azaleas, Dogwoods, Blueberries, etc. Slow release fertilizer with many trace nutrients. Replacement for blood meal (for those not wanting to using blood products)