178 PRODUCTIVE FARMING 



CHAPTER XVII. 



THE PRINCIPLES OF FORESTRY. 



FOREST products in America are not as generally con- 

 sidered a part of the permanent resources of the farm as 

 they should be. The chief products are lumber, posts, poles, 

 railroad ties, and fuel. Thus far lumber, ties, and poles have 

 been obtained mainly from native forests. These are rapidly 

 becoming exhausted. In the prairie States firewood and 

 posts are obtained from plantings made by man (Fig. 896), 

 but elsewhere chiefly from the native woods. 



FIG. 896. Tree seeds of many kinds may be planted in fields and gardens. 

 The seedlings are cultivated for one year and then transplanted to wood-lots and 

 shelter-belts (U.S.D. A.) 



Forestry should become a systematic part of many farms 

 in all the prairie States as well as hi the States where tim- 

 ber was originally found. 



Tree planting is naturally considered under two heads: 

 (1) Prairie planting may be for ornament, windbreaks, 

 shelter-belts, and wood-lots or groves for wood, posts and 



