Forestry activities conducted in conformance with a Forest Management Plan that uses the current best management practices set out in “North Carolina Forestry Best Management Practices Manual To Protect Water Quality,” as amended, as adopted by the North Carolina Department of Agriculture and Consumer Services, shall not require a mass grading buffer; however, if required buffers are not provided consistent with the requirements of paragraph 8.3.4, Clear Cutting, development of the site shall be prohibited for a period of three or five years (in the City) or three years (in the County) from the date of forestry activities.