CO-OPERATIVE SPRAYING. 155 



RESULTS OF SPRAYING, 



Average yield and net value per year per tree. 



Sprayed trees: 



Marketable fruit .4.4 bu. at 52 cents, $2.28 



Culls and windfalls 1.1 bu. at 6 cents, .07 



Total 5.5 bu. at 43 cents, $2.35 



Unsprayed trees: 



Marketable fruit 1.8 bu. at 41 cents, $0.73 



Culls and windfalls 1.7 bu. at 5 cents, .08 



Total 3.5 bu. at 23 cents, $0.81 



Difference between sprayed and unsprayed trees $1.54 



Average cost of spraying 24 



Average net gain from spraying ^ $1.30 



Average yield and net value per year per acre (50 trees). 



Sprayed trees: 



Marketable fruit 90 bu. $36.50 



Culls and windfalls 55 bu. 3.50 



Total 275 bu. $117.50 



Unsprayed trees: 



Marketable fruit 90 bu. $36.50 



Culls and windfalls 85 bu. 4.00 



Total • 175 bu. $40.50 



Difference between sprayed and unsprayed trees $77.00 



Average cost of spraying 12.00 



Average net gain from spraying $65.00 



Whether it pays to spray apple orchards in eastern Nebraska is no 

 longer a question. The records reported here — records secured under 

 actual farm conditions — show that spraying pays twice its cost by increas- 

 ing the yield of the fruit, or six times its cost by both increased yields and 

 improved quality. The gain due to spraying one-half acre of apples 

 one year will, on the average, buy a good barrel pump, fifty feet of 

 hose, two extension rods, two nozzles and five barrels for use in mixing 

 spray materials. The sprayer will last several years, and can be used 

 to fair advantage in orchards up to five acres. The gain from the 

 proper spraying of five acres one year will, under average conditions, 

 pay for a power outfit, including a small gasoline engine, pumps, rods, 

 nozzles, hose, 250-gallon spray tank, elevated spray platform and the 

 truck on which to mount the whole outfit. One such power sprayer is 



