94 The Farm Woodlot 



Strip system 



This system can be used only when there are trees that 

 bear winged seeds, usually small and sufficiently light to 



FIG. 26. Natural reproduction of white oak at the edge of the woodlot. 



be carried some distance by the wind, such as seed of 

 any of the pines, spruces, maples, and the like. The 



