Which nutrient in fertilizers helps keep grass from turning brown?

Which nutrient in fertilizers helps keep grass from turning brown?

• A. Phosphorus
• B. Nitrogen
• C. Potassium
• D. Magnesium

Answer: (B)

Nitrogen directly influences lawn color and growth. It’s a key component of chlorophyll, the pigment that gives leaves their green hue and drives photosynthesis. When nitrogen is available, grass blades stay lush and green as they produce new tissue. If nitrogen is deficient, growth slows and the blades lose their color, turning yellow-brown or brown as the turf thins. While phosphorus and potassium help with root development and overall vigor, and magnesium is involved in chlorophyll, none of them impact greenness as strongly as nitrogen does. So, nitrogen is the nutrient that best helps keep grass from turning brown.

Nitrogen directly influences lawn color and growth. It’s a key component of chlorophyll, the pigment that gives leaves their green hue and drives photosynthesis. When nitrogen is available, grass blades stay lush and green as they produce new tissue. If nitrogen is deficient, growth slows and the blades lose their color, turning yellow-brown or brown as the turf thins. While phosphorus and potassium help with root development and overall vigor, and magnesium is involved in chlorophyll, none of them impact greenness as strongly as nitrogen does. So, nitrogen is the nutrient that best helps keep grass from turning brown.