MILLION ACRES SPRAYED 
2 3 4 
IS OG6I 
€S 2S 
8S 248 9S SS ¥S 
6S 
BN-10807-X 
Figure 3.--Power sprayers used for 
weed control in Minnesota, 1950-1959, 
(From Circe, 4, Section of Weed Con- 
trol, State of Minnesota Department 
of Agriculture, December 1959.) 
SS tS €S eS IS OS6I 
9S 
2s 
6S 9S 
5 6 
BN-10808-X 
Figure 2,--Chemical Weed Control in 
grain crops in Minnesota, 1950-1959, 
(From Circ, 4, Section of Weed Con- 
trol, State of Minnesota Department 
of Agriculture, December 1959.) 
NUMBER SPRAYERS (THOUSANDS) 
20 25 30 35 40 
