PROFITS IN SPRAYING 45 



The cost of spraying one acre of potatoes three 

 times is summarized thus : 



MINIMUM MAXIMUM AVERAGE 



200 to 500 gallons at i cent each. . $2 oo $5 oo $4 oo 

 Labor i 50 3 75 3 oo 



$3 50 $8 75 $7 oo 



"When we consider our gain of an average of 113 

 bushels per acre, worth last fall 80 cents per bushel, 

 or $90.40, the profit is great even at the maximum 

 expense." 



PROFITS IN SPRAYING 



The profit of spraying has been abundantly dem- 

 onstrated in nearly all parts of the United States. 

 The benefit derived is usually so marked that the man 

 who tries the method becomes its enthusiastic advo- 

 cate. In most cases there is not only a greatly in- 

 creased crop, but the quality of the crop is so improved 

 that it commands' a higher price; and in the case of 

 vines, or any plants living more than one year, the 

 plant is kept in a vigorous condition that enables it to 

 store up vitality for the following crop. In Ohio it 

 has been demonstrated that spraying can easily ad- 

 vance the value of the apple crop $20 per acre; and 

 in many states it has been shown that spraying is the 

 salvation of the grape-grower. In Vermont it has 

 been demonstrated that the potato crop can be 

 increased more than 100 bushels per acre by spraying, 

 while in New York it proves equally profitable to the 

 nurseryman. In California, fruit-growers generally 

 have adopted it with very gratifying results. Mr 

 D. W. Coquillett records an instance where a pear- 

 grower actually lost $2000 one season because he neg- 

 lected to spray to prevent codling moth attack. At 

 the Cornell Experiment Station an increase in cash 



