62 



The Principles of Fruit-growing 



for the lake regions. In these latter cases, however, the 

 lay of the land is important, for if atmospheric drainage 

 is good there is less danger of injury from tight belts. 

 Lower levels, upon which cold air settles, are more in 

 need of open belts than higher lands. For interior places, 

 a strip of natural forest is the ideal windbreak. A 

 Lombardy poplar windbreak alongside a peach orchard 

 is shown in Fig. 5. In artificial belts, the kind illus- 



FiG. 7. Raspberry plantation protected by a windbreak. 



trated in Fig. 6, is undoubtedly one of the best. 

 The illustration shows two rows of maples backing up a 

 row of Norway spruce. The maples then receive and 

 break the force of the wind, and prevent the spruces from 

 becoming ragged. Fig. 7 presents a good raspberry 

 plantation protected by a windbreak. 



The gist of the matter is to choose those kinds of trees 

 that are most thrifty and healthy in the particular locality, 

 and that are least infested by fungi and insects common 

 to fruit-plants, and then to study the local conditions 

 carefully to determine how dense or how open the shelter 



