Electrical Treatment on Potato Crops. 145 



CONTROL TLOT. 



Variety. Tons. Cwts. Qrs. Lbs. 



RiNGLEAnER — 



Seed size... ... 4 13 



Under IJ inches 1 4 



Great Scot — Tons. Cwts. Qrs. Lbs. 



Seed size 9 6 2 20 



Under li inches ... 16 3 19^ 



Disea.sed 2 2 24 



Diseased — 

 Total ..10 6 1 7i 2 cwt. 2 qrs. 24 lbs. 



Extra yield under the electrified wires per acre : — 



Variety. Tons. 



RinoJjEader ... ... 2 



Windsor Castle ... 1 



Golden Wonder 



Great Scot ... ... 1 



Petrol 



Lubricating Oil ... 



Depreciation at 10 per cent, on apparatus (costing 



£175) for three months 47 6 



£5 19 6 



The same expense would have covered the cost of electrify- 

 ing an area of 15 acres. 



I was .supplied by Mr A. W. M'Alister, Seed Potato 

 Merchant, Dumfries, with the seed tubers. He \er\ kindly super- 

 vised the lifting of the crops, and most carefully verified the 

 weights in both areas. 



