54 



TOMATO CULTURE 



if the beds are covered with cloth it is better that they 

 be double width (12 feet) and run north and south. 

 The front of the single and the sides of the double 

 width beds should be 8 to 10 inches high, held firmly 

 erect by stakes and perfectly parallel, both horizon- 

 tally and vertically, with the back or with the central 



FIG. 15 COLD-FRAMES ON HILL-SIDE 



support. This should be 6 inches higher than the 

 front. The cross strips, when sash are used, should 

 be made of a 3-inch horizontal and a i^-inch vertical 

 strip of i -inch lumber nailed together very firmly in 

 the form of an inverted T, the vertical pieces project- 

 ing i inch at each end and resting on the front and 

 back of the bed and forming supports and guides for 

 the sash. Some growers use vertical strips as heavy 

 as 2x3 or 4 inches for stepping across the beds. When 



