A8 BULLETIN 614, U. S. DEPARTMENT OF AGRICULTURE. 
TABLE XXXV.—Summary of spraying expenditures on 120 farms in Yakima Valley, 
by districts. 
North Y pe aa 
orth Ya-| 7. F cima an 
Item. kima dis- | Zab dis-| 7inah dis- 
trict. ‘ tricts com- 
bined. 
Man-hours per acre jc =* Stent SEE Era 33 bene oe ae eee 31.99 42.07 . 36.69 
FPOTSE-HOUTS Per ACLE==2 < fees le: eee es a se ee aeons eee eee ear 21.78 28. 85 25. 08 
habor cost peraeres. se 4-Gk SST sae Se ae Se Pe ee ee eee $11. 26 $14. 84 $12. 93 
Material Cost per ACKO is a2) 2a = ae ee Sis ta Sys ie = CE Pie eae $10. 55 $14.12 $12.21 
Totalicostiper acreeose. oe eas | See ere eee a ee ee $21. 81 $28. 96 $25. 14 
Gallons ofmatenal per aCese = mse = a= ae eee See eee 1, 773. 09 2,364. 69 2,049.17 
Gallonsiofmaterialipertrees= cere s-s22 ae eee eee ee eee eee eee 22.67 34. 67 27. 84 
Tabor cost per box aoe eee eee $0. 0243 $0. 0372 $0. 0299 
Materialhcost perbOmesc- sts: Nicee cates es eee ceesse ia Sse oars meee . 0228 . 0355 . 0283 
MOtalcostiper OR. esas 2s alte ae ae ee ee ee ew sea .0471 .0727 . 0582 
TABLE XX XVI.—Summary of spraying practices and pro rata cost by sprays on farms 
studied in Yakima Valley. 
ee Per acre. Gallons. AiataS Per cent 
ber rial Total |- of total 
Spray. mak- cost | Cost ee and 
2 ing | Man- | Horse- Cost Per Per per ee ees 
spray.| hours. | hours. + | acre. |-tree. | acre: go ae 
Wime=sul phuTseese eee oe 120 7.89 5.37 | $2.78 | 480.12 | 5.84] $6.03] $8.81- 35. 04 
First lead-arsenate or calyx. 120 7.78 D208 |e Zale 4a >4LO I GakG UST 4.47 17.78 
Second lead-arsenate...-....-. 94 5. 50 3.74 | 1.94 | 309.61 | 4.21 1.15 3.09 12. 29 
Third lead-arsenate........-.- 86 5. 08 3.48 | 1.79 | 282.97] 3.84 1.10 2.89 11.50 
Fourth lead-arsenate.......-.-- 118 6. 90 4.72 | 2.43 | 381.03 | 5.18 1.42 3. 85 15. 32 
Fifth lead-arsenate......---:.- 50 3. 09 Pa AL |) TSS) |p TUG aay |i, 8 65 1.74 6. 92 
Sixth lead-arsenate.......- eee 10 45 | 34 SLUGS || 771) 37 13 -29 1.15 
MISCELLANEOUS LABOR. 
A certain amount of labor done on the various ranches during the 
year is classified as miscellaneous labor. Among the more important 
items are overhauling the spray outfit, scraping and doctoring the 
trees, cutting blight, summer pruning, cleaning of lateral ditches, 
cutting water spouts, and hoeing about the trees. This miscel- 
laneous labor charge on the 75 clean-cultivated orchards was 12.09 
man-hours and 0.92 horse-hour, or $3.16 per acre and $0.0070 per 
packed box; while in orchards under mulch-crop management this 
charge was 7.21 man-hours and 0.52 horse-hour, or $1.88 per acre 
and $0.0047 per packed box. 
Considering the 120 orchards, the annual miscellaneous labor charge 
was $2.68 per acre or $0.0062 per packed box. 
TOTAL MAINTENANCE COST. 
The total maintenance labor on 43 orchards under clean-cultural 
management in the North Yakima district was 208.14 man-hours and 
97.67 horse-hours, while on the 32 orchards under similar management 
in the Zillah eae the charge was 241.92 man-hours and 104. 03 
horse-hours. 
