Potatoes can normally produce a harvest of 150 to 300 pounds of potatoes per 100-foot row of plants. Plants need to be spaced with 6 to 8 inches between them inside each row. This would yield 150 to 200 plants per row. Therefore, each plant would average .75 to 2 pounds of potatoes.
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Susan Steele has been writing for more than 20 years. Her work has been featured in online publications, such as eHow.com and StarReviews. While attending Ashland Community and Technical College, Steele says her favorite courses were English and literature. Steele has enjoyed working for Demand Studios since June 2009.