K'li^rV-FlKST ANNUAL REPORT. 



07 



even coating and to make it stick there longer. My experience wit 

 a few brands of lead arsenate containing a spreader shows that the 

 mix very easily and probably when used alone with only water will show 

 the qualities just mentioned but when they are mixed with lime-sulphu 

 they are little if any better than an ordinary lead arsenate. I have con 

 ducted extensive orchard trials of several spi-eadors used in combination 

 with lime-sulphur and lead arsenate. This work, as well as the experi- 

 ments with the cheaper forms of dusts just mentioned was done at 

 Belding in the B. F. Hall orchard. These spreaders were used in quanti- 

 ties large enough to give the desired properties to the entire mixture. 



The crop in this orchard was badly cut by a late frost so that the 

 results are not worth so much as if there had been a full crop, but the 

 figures are worth consideration. 



SPKEADERS ON APPLES — 1921 



