How Much Fertilizer Do I Need For 1 Acre Of Grass?
How Much Fertilizer Do I Need For 1 Acre Of Grass? 50 lb. N per A ÷ 0.46/lb. of fertilizer = 109 pounds of fertilizer needed to apply per acre. How much area does a 50 lb bag of fertilizer cover? A 50 lb bag of fertilizer will typically cover 5,000 to 10,000 square feet.