Unless otherwise provided by this chapter, after the effective date of this chapter no structure, land or water shall be developed, and no structure or part thereof shall be relocated, erected, moved, reconstructed, enlarged, extended, converted or structurally altered, without a zoning permit and without full compliance with this chapter and all other applicable Town, county and state regulations; provided, however, that this chapter shall not govern normal farming operations on farmland or normal filling, grading or landscaping of land.