I planted a small garden last year, and removed all of the rocks in the first 8 inches down. It took some time. This year...I find more...lots more. Anyone know why?
Why do rocks come to the surface?
Frost upheaval or, as Ozark farmers say - "rock heaving " - can be as common as the growth of weeds each spring. It’s a natural upward movement of rocks from lower soil depth. The process of freezing and thawing of soil provides the hydraulic force which lies at the bottom of this phenomenon.
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