Apply 1 lb. of nitrogen per 1,000 square feet of lawn. Divide 100 by the first number on your fertilizer bag to get the number of pounds for 1,000 feet.
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Michele Hester holds a Bachelor of Business Administration from Georgia State University and received her Master of Arts from Dallas Theological Seminary. She is a certified Microsoft business management solutions professional and has 20 years of experience in accounting and ERP consulting. Her writing has been included on Associated Content, eHow.com and About.com.