UTILIZATION OP WASTE SEED FROM THE TOMATO. 



13 



upper tray. When the seed in the lower tray is dry the latter is tilted 

 and the batch dumped into the hopper bottom. This process is 

 then repeated. 



This drier will satisfactorily dry unwashed seed at the rate of 130 

 pounds of wet seed an hour, or approximately 1,000 pounds a day. 

 Washed seed, however, can be dried more quickly. The drier could 

 easily be built by a carpenter in a few days, and the cost for material, 



Fig. 7. — A trayless drier. 



using ordinary building material, would be approximately $40. 

 One hundred dollars would doubtless cover the entire cost for labor 

 and material. The cost of a fan would be approximately $50, while 

 a heater and piping would add about $100 more. 



Considerable attention was directed to the performance of the 

 rotary type of direct-heat drier. It might be thought that the pre- 

 liminary mechanical reduction of moisture from 65 to 50 per cent is 



