A yard of soil refers to a volume that is 3 feet wide, long and deep. The area that a yard will cover depends on how deep it is laid. A yard of soil will cover about 100 square feet at 3 inches deep, notes Bachman's.
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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.