88 



TOMATO CULTURE 



fence, the whole with the fence forming a sort of in- 

 verted pyramidal vase about 3 feet across at the top. 

 In this the plant was allowed to grow, but it would be 

 essential to success that the fence be an open one. 

 In the greenhouse. — Here pruning and training 



FIG. 28 — FORCING TOMATOES IN GREENHOUSE AT NEW HAMPSHIRE 



EXPERIMENT STATION. NOTE CHARACTER OF BED 



ON THE GROUND FLOOR 



(Photo by courtesy of Prof. H. "F. Hall) 



are essential. The plants may be supported by wires 

 or strings (a coarse wool twine will answer), twist- 

 ing the string about the plant as it grows. The 

 growth is usually confined to a single shoot, though 

 some growers allow two ( Fig. 24) ; the method of 

 pruning does not differ from that given for field cul- 



