Groove converted seedling base, flatness can be, there is a river long years with water (can be said to have water), ditch width (narrow place 40 m - 50 m, width 70 m - 80 m), the contracting period is still 29 years, covers a total of 50 acres, 43 acres of locacia seedlings grow for 5 years, 7 acres of wasteland still In the wilderness, convenient transportation.