44 BULLETIN 614, U. S. DEPARTMENT OF AGRICULTURE. 
Twenty-five orchardists in the North Yakima district spray with 
their own outfits and 30 hire their spraying done, while in the Zillah 
district 44 spray with their own outfits and 6 hire their spraying done. 
TaBLE XXXIV.—Summary of spraying with a crew of three men and two horses, with 
owned and hired spray rigs, on 105 farms studied in the Yakima Valley. 
OWNED SPRAY RIGS. 
Gallons. Cost. 
Aeris No Acres 
istrict and spray. F in 10 
manne hours. Per Per anor Mate- 
SPEAYS. acre. tree ‘|; rial. Total. 
North Yakima: 
IL Aho NIP GosooSasoasancosesode 25 By Dial 479.62 6.44 $3. 24 $6.86 | $10.10 
Calyx or first lead-arsenate...--..... 25 3.37 |. 486.82 6.53 3.12 1.70 4.82 
Second lead-arsenate....-.......-.-- 21 3.58 411.04 5.50 2.93 1.43 4.36 
Third lead-arsenate...............-- 153 4.36 315.90 4.18 2.41 Ths 3.56 
oe ead=aESen aves es ee eee 25 3. 74 401.01 5.38 2.81 1.41 4.22 
i: tit leadzarsenates es Heres Leen 8 3.29 419.38 5.41 3.19 1.62 4.81 
Zillah: 
iime-sulphunss ees eee eee ene 44 3.41 464.31 6. 84 3.08 6.61 9.69 
Calyx or first lead-arsenate.......... 44 3.57 483. 32 egal 2.95 2.01 4.96 
Second lead-arsenate..-.........---- 33 3.77 459. 87 6.81 ark) 1.85 4.64 | 
Third lead-arsenate...........- een 41 Sale 447.15 6.56 2.82 1.82 4.64 
Fourth lead-arsenate.:----. 2.522 2.-- 44 3.81 432. 26 6.45 2.75 1.75 4.50 
Fifth lead-arsenate...........- eae 27 4.14 399.79 5.82 PX, (55) 1.66 4.19 
Sixth lead-arsenate................. 6 5.15 301. 07 4.57 2.04 2.03 4.07 
North Yakima and Zillah: 
IM e-S ull Wee eye ee 69 3.34 469. 87 6.68 3.14 6.70 9.84 
Calyx or first lead-arsenate.......... 69 3.49 484.59 6.95 3.01 1.90 4.91 
Second lead-arsenate......-...:.....- 54 3.69 440.88 6.27 2.85 a7 4.56 
Third lead-arsenate...............-- 56 3.88 411.99 5. 87 7A 1.64 4.35 
Fourth lead-arsenate.............-.. 69 3.79 420.93 6.04 Qed 1.63 4.40 
Difthlead-arsenater os: acne se 35 3.91 404. 27 | 5.72 2.68 1.65 4,33 
Sixthwead-arsenateneeneas ee se eee 6 5.15 301. 07 4.57 2.04 2.03 4.07 
HIRED SPRAY RIGS. 
North Yakima: 
imMe=Sulp huts eee esate eee eee 30 4.38 397. 97 4.88 | $2.40 $5.50 | $7.90 
Calyx or first lead-arsenate......... 30 4.50 408. 22 5.01 2.33 1.42 3.75 
Second lead arsenate............--- 24 5.59 30201 4.09 1.88 1.08 2.96 
hind lead-arsenate:. 22-2. ).. 22.022. 14 4.87 365. 76 4.43 2.16 1.34 3.50 
Fourth lead arsenate.............-.. 28 5. 26 335.05 4.12 2.00 1.13 3) 18 
ay lead-arsenate.....-...--...-..- 6 4.25 382.78 4.26 2.47 1.43 3.90 
_Zillah: 
Ivimie-sulphutesess: oie eee eset e a 6 4,24 353. 71 4.50 2.48 4.73 7.21 
Calyx or first lead-arsenate..--..-...- 6 4.65 318. 43 4.05 2.26 1.36 3.62 
Second lead-arsenate..............-- 4 4.42 382. 16 4.42 2.37 1.64 4.01 
Third lead-arsenate..:....2..-222-.- 3 6.01 239.63 3.20 ao 1.14 2.89 
Fourth lead-arsenate................ 6 ARTS 338. 80 4.31 2.21 1.48 3. 69 
Pifthilead-arsenates 2252.22 122.-2--5 4 4.72 321.69 3.66 2.23 ibey 3.55 
Sixthilead-arsenaten eee eee 2 8.93 155. 88 1.63 1.18 84 2.02 
North Yakima and Zillah: 
AME =Sulip hu ae Seen ee eee eee 36 4.35 390. 59 4.82 2.41 5. 40 7.81 
Calyx or first lead-arsenate..-......-- 36 4.52 393. 26 4.85 2.32 1.41 3.73 
Second lead-arsenate..............-- 28 5.39 339. 67 4.14 1.95 1.16 3.11 
Mhindilead-arsenatess a. 222s. so oeae oe 17 5.03 343. 50 4.23 2.09 Tbgroil! 3.40 
Fourth lead-arsenate.............--. 34 5.16 335. 71 4.15 2.03 1.19 3.22 
ibifthlead=arsenateyess-e see eee 10 4.42 358. 34 4.03 2.37 1.38 3.75 
Sixth lead-arsenate................- 2 8.93 155. 88 1.63 1.18 es 84 2.02 
Considering all records in the valley, regardless of crew or whether 
the spray outfit is owned or hired, the total labor and material cost 
for the lime-sulphur spray is $8.81 per acre, or 35.04 per cent of the 
total labor and material spraying cost. (See Table XXXVI.) 
