The amount of seed corn needed to plant an acre will vary by row spacing and seed type. For example, if seeds are planted at 10-inch intervals in rows 3 feet apart, you would need 5 to 6 lbs. of supersweet sweet corn, or 9 to 10 lbs. of sweet corn, North Carolina State University explains.
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Marie Notnats enjoys learning about new topics and teaching people new skills. She has been writing professionally since 2008. She is a professional horticulturist with a Bachelor of Science degree in horticulture from Brigham Young University. She writes for About.com, Examiner.com, eHow, and assorted gardening blogs.