If you were using a synthetic fertilizer that had 27 percent nitrogen (27-0-0), you would only have to apply 3.7 pounds of fertilizer per 1,000 square feet to get 1 pound of nitrogen applied.

Nitrogen fertilizers' impact on lawn soils Date: November 11, 2011 ... High soil moisture, low soil oxygen, and sufficient nitrogen availability are all factors that lead to denitrification, ...

Lawn fertilizer rates are based on the pounds of nitrogen in the bag. To help make the math easier, the fertilizer numbers represent percentages and are based on a 100-pound bag. A 100-pound bag ...

Never use a high-nitrogen fertilizer this late in the season. Also, in order for the fertilizer to do any good at all for the lawn, it needs to be applied while the grass is actively growing, when ...

When fertilizer is applied to frozen soil, the plants cannot absorb nitrogen and other nutrients. Instead, the nitrogen rests on top of the soil and can be washed away, collecting in the low parts ...

Fertilizers with slightly different numbers are good, but the nitrogen should be around 30%, and phosphorus and potassium should be close to zero. Brand names are not as important as the numbers.

Nitrogen fertilizers' impact on lawn soils ... High soil moisture, low soil oxygen, and sufficient nitrogen availability are all factors that lead to denitrification, ...