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Calibration and application accuracy of orchard sprayers


, : Calibration and application accuracy of orchard sprayers. Paper American Society of Agricultural Engineers ( 91-1027): 16 pp.

A field survey of 29 apple tree pesticide application treatments involving air blast sprayers was conducted. Results showed that only 16% of the treatments were within 5% of the intended rate of application. Coverage studies conducted using fluorescent dyes indicated that the inside portion of most trees was the most difficult to treat.

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Related references

Rushmore, F.; Benson, N.; Swan, D.; Davis, E., 1971: The calibration of orchard weed sprayers

Rushmore, F.; Benson, N.; Swan, D.; Waelti, H., 1976: The calibration of orchard or other field weed sprayers

Irla, E.; Heusser, J.; Werner, S.; Holliger, E., 1997: Orchard sprayers. Equipment technology, operation and orchard layout determine spray application. In 1995-96, performance of 14 orchard sprayers, which had been improved in efficiency, safety and ease of use, was compared. Make, construction, tank, filter, pump, nozzles, blower, controls, weight size, price and overall performance of each spra...

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Anderson, Rl, 1984: Application, calibration, and sprayers. Publication Great Plains Agricultural Council: 10) 133-146

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Reichard, D.; Hall, F.; Krueger, H., 1980: Effects of application equipment variables on spray deposition by orchard air sprayers. Research circular Ohio Agricultural Research and Development Center: (259) 32-35

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Way, T.; Von-Bargen, K.G.isso, R.; Bashford, L., 1992: Simulation of chemical application accuracy for injection sprayers. Theoretical chemical application rates were derived for injection sprayers with a constant now rate of spray mixture and a spray mixture concentration proportional to ground speed. Computer simulations were developed to predict chemical applicatio...

Fox, R.; Brazee, R., 1990: Orchard sprayers: How much spray moves out of the orchard?. Research circular Ohio Agricultural Research and Development Center: (297) 9-15