81* 



Size of sprayer v/as associated with the season^s total spraying work. 

 On an average, sprayars of 200 gallons capacity were used 187 hours during 

 the season whereas sprayers of 50 to 100 gallons capacity v/ere used only 69 

 hours, (table 78.) Although, it usually took longer to spray an acre' of 

 grapes with the Larger outfits than with the smaller ones , about twice an 

 much spray was applied per acre per application v/ith the larger outfits. 



Table 78. - Size of power sprayers used in vine^^ards , and cost factors, 



by States, 1928 



TOWB SPRAYERS 



Approximate capacity 

 of spray or (gallons) 



Nov7 York 



Pennsyl- 

 vania 



Michigan 



Arkansas 

 (1929) 



Total 



50 

 100 

 150 



200 and more 

 Total 



Number 



5 



18 



18 



13 



Number 







5 

 18 

 36 



Number 



18 

 3 



Number 

 1 



a 



15 

 43 



Number 



6 



53 



6P 



85 



— « »»' » ■ I ■ 



:/_ 49 



43 



67 



S13 



US E OF SPRAYEa - PIIRDTG SEAS ON (VIN EY ARD AND CQRCIiARD WORK) 



50 to 100 

 150 



200 and more 

 Averaflie 



Hours 

 61 

 77 

 263 



115 



Hours 

 67 

 75 



loo- 



se 



Hours 

 78 

 70 

 130 



76 



Hours 

 70 



104 

 220 



175 



Hours 

 6P 



eo 



187 



120 



mCHINE COST OE USING SPRAYM IFOR SEASON (VINEYARD AND ORCHARD WORK) 





, Dollars : 



. Dollars 



I Dollars : 



; Dollars : 



Dollars 



50 to 100 



: 46 : 



43 ; 



: 75 : : 



: 29 • 



54 



150 ; 



: 61 : 



: 67 ! 



; 60 1 



: 49 : 



60 



200 and more ; 



: 129 ; 



89 ; 



: 88 : 



i 116 



109 



Average ; 



: 71 : 



; 76 



; 70 : 



; 90 : 



78 



SPRAY LIATERIAL PER ACRE OF (Sl&PES (ONE APPLICATION) 





: Gallons ; 



; Gallons 



; Gallons ; 



Gallons ; 



; Gallons 



50 to 100 : 



81 ; 



: 75 : 



: 86 ; 



: 76 ; 



; 82 



150 ; 



' 155 : 



: 118 ■ i 



; 63 : 



; 99 ; 



; 105 



200 and more : 



265 i 



; 115 ! 



; 129 : 



; 184 ; 



! 164 



Average : 



: 148 



: 112 : 



; 88 



: 155 ; 



1 125 





TOTAL SPRAYING COST PER ACRE- OF fl'iiiPES (ONE- APPLICATION) 



3/ 







: Dollars : Dollars : 



, Dollars : 



Dollars ; 



Dollars 





50 to 100 : 



: 4.95 { 4.59 ! 



! 4.16 ! 



; 3.31 ! 



: 4.25 





150 i 



I 7,24 : 5.68 ; 



: 3.13 ! 



; 4,00 ; 



: 4.53 





200 and more • 

 Averap:e 



: 7.72 : 5,S2 i 



■ 4;Q8 :: 



5.56 : 



; 5.57 





: 6.39 : 5,30 



; 3.75 



: 5.01 



: 4.91 



~--r -■■■,■■ I I I I.. --^ II - I . ■ ■ . ■ . I ■■ ■ ri ■ III i i ... I 



1/ Does not include 3 sprayers for which detailed information was incomplete. 

 2/ Does not include 1 sprayer for which detailed infoinmation was incomplete 

 3/ Includes cost of materials , labor, power, use of sprayer, etc. 



