20 



HATCH EXPERIMENT STATION. 



[Jan, 



similar manner. Some of the data shown in Table III. was 

 unfortunately mislaid or lost, hence it is incomplete. 



No. 11, in Table IV., shows a loss, but the average per- 

 centage gained by treatment in other cases is important. 

 The gain shown in Table V. as a result of treatment is com- 

 paratively small. 



Table VI. — Shoiving the Effect of Current Electricity upon the Growth 

 of R(ulishes {^Raphanus sativush.). Normal Plants taken as the 

 Sla7idard at 100. 



[Duration of experiment, 30 days.] 



Per Cent. 

 Total average weight, in grams : — Normal. Treated, gained. 



Of roots, . ■ 5.1 6.46 26.66 



Of tops 3.2 4.93 54.06 



Of whole plant 8.3 11.39 37.22 



Table VII. — Shoiving the Effect of Cm-rent Electrifityiipoii the Growth 

 of lidiUshes (h'aphaiiits satirus L.). Nornud Plants taken as the 

 Standard at 100. 



[Duration of experiment, 36 daj's.] 



Per Cent. 

 Total average weight, in grams: — Normal. 'I'reated. gained. 



Of roots, 10.80 11.90 10.18 



Of tops 4.14 6.35 53.14 



Of whole plant 14.94 18.25 22.15 



