Vegetable Plant Lice 



19 



DETAIL 



attached, to 

 floor Here 



R S F> 



Fig. 13 



A Lifting Device Attached to a Potato Sprayer 



A. Side-view of lifter. B. Soil. C. Space through which plants pass. D. 

 and E. Nozzles. F. Arrangement for lifting the lifter at end of row 

 when machine is turning 



