VEGETAULE AND FIELD CROPS 



283 



Extensive experiments have been conducted for the past 

 seven years by the New York Experiment Station. The fol- 

 lowing table taken from bulletin 31 1 summarizes their results.' 



Seven years of business experiments made on farms in 

 order to determine the actual profits from spraying under 

 farm conditions gave the following results:' — 



Average iiicrcu.sc in yiol<i, for six years, 43.8 bushels per acre. 

 Average net profit, for .six 3'cars, .S17.94 per acre. 



'Stewart, F. C, and others, N.Y. (Geneva) \gx. Exp. Sta. Bui. 311, 

 p. 13, January, 1909. - Ihid., p. 29. 



