Reverted edits by TasadRF (Talk) to last revision by TK
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[[You'll have to lock the database permanently to stop me, admins!]]
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'''Practice factor''' or P factor – USLE is the ratio of [[soil]] loss with a support practice like contouring, stripcropping, or terracing, to soil loss with straight-row farming up and down the slope.
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==References==
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[http://www.nrcs.usda.gov/technical/NRI/1997/summary_report/glossary.html List of USDA terminology] <br>