GARDEN IMPLEMENTS. 73 



to prevent the frost from penetrating and the heat from 

 being lost by radiation. 



CHAPTER VIII. 



GARDEN IMPLEMENTS. 



The principal implements employed in gardening are 

 the following : 



1. Implements for Preparing and Operating upon the 

 Soil, 



SUBSOIL PLOW. This is of great service in large gardens; 

 it answers as a tolerable substitute for the spade in trench- 



Fig. 5. SUBSOIL PLOW. 



ing for orchards and market gardens, doing the work more 

 cheaply and expeditiously, but not so well. It requires a 

 powerful team to manage it. One form is shown in fig. 5. 

 THE ONE-HORSE TURNING PLOW is very efficient in 

 deeply stirring the soil among plantations of trees and 

 the larger garden crops. The whiffletrees should be short 

 that the trees and plants may not be injured. A strong 

 animal is required, and the plow must not come too near 

 the trees and plants. The common plantation plows are 

 also quite useful in garden culture. 

 4 



