fertilizet - Knowledgebase Question

hutto, Te
Question by charleskrenz
June 26, 2010
What's the skinny on fertilizers. I'm starting my own lawn company and offering 2 free fertilizer treatments, spring/fall. I live around Austin and some people have water restrictions and some don't. The heat index reaches well over 100 mostly days. Thank you in advance.

Answer from NGA
June 26, 2010


Your clients will probably have warm season grasses (bermuda, St. Augustine, etc.) and the general advice is to fertilize with no more than 1/2 to 1 pound of nitrogen in spring after you have mowed the grass twice, and again in fall (around late October). Apply a product with a 3-1-2 ratio of nutrients as this is roughly the ratio of nutrients grass takes in. So, for example, if you purchased a 15-5-10 fertilizer (15% nitrogen), you would apply about 7 pounds per 1000 square feet (1 pound / .15 = about 7). If you purchased a 21-7-14 fertilizer (21 % nitrogen), you would apply about 5 pounds per 1000 square feet (1 pound / .21 = about 5). The following website is a water wise newsletter from the City of Austin and explains proper lawn fertilization and has more calculations that you might find helpful. Best wishes with your new business!

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