32 maine agricultural experiment station. i9i2. 



Table io. 

 Stock Solutions. 



Hydrometer reading. 

 Density of solutions 

 in degrees Beaume. 



Gallons of solution in 50 gallons 

 of spray. (To be used when Gallons of solution in 50 gallons- 

 trees are not in leaf; for aphid of spray. (Summer spray; for 

 eggs and scale insects.) 1 scab and other fungi.) 



36 

 35 

 34 

 33 

 32 

 31 

 30 



29 

 28 

 27 

 26 

 25 

 24 

 23 

 22 

 21 

 20 

 19 

 18 

 17 

 16 

 15 



5.6 

 5.7 

 6.1 

 6.3 



6.7 

 6.9 

 7.4 



(5.55) 

 (5.71) 

 (6.06) 

 (6.25) 

 (6.66) 

 (6.89) 

 (7.40) 



7.7 



(7.69) 



8.3 



(8.33) 



8.7 



(8.69) 



9.5 



(9.52) 



10.0 



(10.00) 



11.1 



(11.11) 



11.8 



(11.76) 



13.3 



(13.33) 



14.3 



(14.28) 



15.4 



(15.38) 



16.7 



(16.66) 



18.2 



(18.18) 



20.0 



(20.00) 



22.2 



(22.22) 



25 



(25.00) 



1 1 

 1.2 



1.2 

 1.3 

 1.3 

 1.4 

 1.5 



(1.11) 

 (1.15) 

 (1.20) 

 (1.25) 

 (1.32) 

 (1.37) 

 (1.46) 



1.5 



(1.52) 



1.7 



(1.61) 



1.8 



(1.79) 



1.8 



(1.80) 



1.9 



(1.92) 



2.1 



(2.06) 



2.2 



(2.19) 



2.4 



(2.35) 



2.5 



(2.53) 



2.7 



(2.73) 



2.9 



(2.94) 



31 



(3.12) 



5.3 



(3.33) 



3.6 



(3.57) 



3.9 



(3.92) 



