POTATOES 



175 



two weeks, especially if the weather is hot and 

 muggy. 



A good plan is to mix a little arsenate of lead into 

 whatever preparation is used. It always does good 

 and the white powder shows clearly on the leaf. 



GOOD-EY TO THE HUMUS 



The furrows of this potato patch run up and down hill. The vines are well 

 hilled up. With every heavy rain each furrow becomes a little river, taking 

 the water and the humus from the soil. Furrows should run across the slope. 



When this is gone, it is a sign that the plants need 

 more attention. 



Keep up the spraying or powdering till about the 

 last of August. The potatoes are then well set, 

 and there is little danger of loss from insects or blight. 



Do not neglect to keep the bugs off the plants dur- 

 ing the summer, whatever you do. Through its 

 leaves the potato plant gets a large amount of 



