Grass is scheduled for fertilization, what should not be used?

• A. Limestone
• B. Commercial Fertilizer 10-10-10
• C. Nitrogen Phosphoric Acid and Potash
• D. Commercial fertilizer 10-6-6

Answer: (A)

Grass needs nutrients supplied by fertilizers that provide nitrogen, phosphorus, and potassium to support growth and health. Limestone isn’t a source of these plant nutrients; it’s a liming material used to raise soil pH and add calcium. Because it’s not delivering the N-P-K nutrients grass needs, it should not be used for fertilizing. Use actual fertilizers—like balanced N-P-K products or soil-test–guided blends—to feed the grass. If the soil test shows the pH is too low, lime can be added separately to adjust pH, but that’s a separate step from fertilization.