322 



SEEDING AND PLANTING 



FIG. 87. Operating the Yale transplanting board. Near New Haven, Conn. 



making coniferous transplants on loose, well-tilled soil, but as yet 

 they have been used only in an experimental way in the United 

 States. 



Both forms are constructed for use on transplant beds only 

 39 inches wide, with the rows extending crosswise of the beds. 

 The two types are as follows: 



a. Hacker's pricking-out apparatus. 



6. Hacker's pricking-out machine. 



The former is the simpler apparatus and consists of 2 heavy 

 iron rakes, 3 or more transplanting frames, and 2 stringing tables 

 or staffs (Fig. 88). 1 Five men or women form a transplant- 

 ing crew, 2 of whom open and close the trenches with the rakes, 

 while the remaining 3 string the plants in the frames and hold 

 them in position while being set. The rakes are used in pairs. 

 The handles are set oblique to the rake heads, one bending to the 



1 Hacker, R.: Vereinsachter Verschulapparat. (Centralblatt f. d. ge- 

 eammte Forstwesen, S. 373. 1891.) 



