176 POTATO CULTUEE. 



vines touched together between the rows this dry year when 

 we sprayed the third time. If you grow a variety of potatoes 

 that stands up straight, and on poor enough land so they 

 never cover the ground, you may use a cart and get along 

 faster. I would not have let you go through one piece of 

 ours, this year, once, with a cart, for $50. However, the 

 Freeman potatoes spread over the ground more than some. 

 Well, we bought knapsacks to spray with; and, for the 

 reasons given above, and after trial, we are satisfied. It is 

 work to carry them all day ; but when we get through we 

 have done our best, and no damage. As to whether spraying 

 with the Bordeaux mixture did us enough good to pay this 

 year, I can hardly say. It was a bad year to test the matter. 

 There was almost no blight weather. The potatoes had an 



THE KNAPSACK SPRAYER. 



unusually bright, healthy look where sprayed ; but there was 

 not blight enough present anywhere to do any damage, prac- 

 tically. We shall try it again most thoroughly. Perhaps I 

 had better tell you briefly how we managed. 



