94 ON FORCING ASPARAGUS. 



into them to their great benefit through the 

 pigeon-holes of the walls. 



When the succeeding season arrives, the 

 linings must be taken away and replaced by 

 fresh litter as before ; for at that time the buds 

 of the plants will be formed, and cutting of the 

 roots will not matter. In all other respects 

 follow the open-ground treatment. 



The great advantage of this system over the 

 common, is the preservation of the plants ; for 

 thus treated they will continue to bear abund- 

 antly many years, but where taken up for frames 

 they are destroyed after the first forcing, and a 

 large space of ground as well as labour is requi- 

 site to supply the annual demand. 



When all danger of injury to the plants from 

 frost is past, the curbs, roof, and shutters, should 

 be removed and put by until another year; and 

 if the shutters are wanted for other beds, the 

 beds first forced should be covered over with 

 hoops, mats, and litter, to keep off the frost at 

 night, which would otherwise injure the plants. 



