322 REPORT OF THE DEPARTMENT OF ENTOMOLOGY OF THE 
Average number, of gallons per tree... Svs e tse « 9% 
Gostrof spray per’ gallon. tiie senses. eee 5% cts 
Average cost’ of spray perotreetie: ss sce. ss een een 51% “ 
Average cost of ‘labor -and: team "per trees.-). ve. eee oh aa 
Average cost’ ot: treatment per'tree sy .c2. ne. see ee 50% “ 
SUPPLEMENTARY TREATMENT: MISCIBLE OIL (10 PER CT.). 
aoreronumber OF trees sprayed. sc. 02 s.20<. een ea cise ) sas Oe 
420 gallons of wash: 
42 gallons of miscible oil at 50 cts. per gal....... $21 00 
Preighteou misci vie, Oiljwseem ad ee eh ee ee eae Foz 
2 men ror O72 ‘hours at ‘75 cts) per fourycrste ce eee I 95 
TY teain. tor, 0546, Hours at.20 cts. per Ora oer I 30 
War On SPlayelssiaus oeas cee aee ee eee ae ee eee QI 
Totalsayas. VA SPS ae, Baits Saree $26 98 
Average number of gallons per tree. .i4.5i.5.inseans 334 
Cost of spray per gallon for materials................ oe. ects: 
yveragercost of: spray. perstree. ick eqcmhices eee ae 204 “ 
Average cost of labor and team per: tre@.o....35 «4 «. Sats 
Average cost of treatment’ pér tree... ...... 2: ae ee eee 240° 45 
TABULATED GENERAL SUMMARY FOR 1907. 
oy" 
4g 
42 
734, 6c 
493% “ 
I1I2 
*$16 80 
1 82 
I 95 
I 30 
gI 
$22 78 
334" 
4% cts. 
16% “ 
6c 
3 
2014 “cc 

In the table following a general summary is given of the data 
that have been presented, showing the number of gallons of each 
mixture used to spray one tree in this orchard and the cost of 
treatment. 
interest on amount invested. 
These figures do not mclude wear on machinery and 
*Miscible oil purchased at 4o cts. per gallon, which is a discount of 20 
per ct. 
