Spray deposition inside tree canopies from a newly developed variable-rate air-assisted sprayer

Transactions of the ASABE

Volumn 56, Issue 6, 2013, Pages 1263-1272

  Chen, Y ^a   Ozkan, H E ^a   Zhu, H ^b   Derksen, R C ^b   Krause, C R ^b  

^a OHIO STATE UNIVERSITY   (United States)

^b U S DEPARTMENT OF AGRICULTURE   (United States)

Author keywords

Canopy sensing; Laser sensor; Orchard sprayer; Precision farming; Spray coverage

Indexed keywords

CANOPY SENSING; LASER SENSOR; ORCHARD SPRAYERS; PRECISION FARMING; SPRAY COVERAGE;

FORESTRY; ORCHARDS; PESTICIDES;

DEPOSITS;

AGRICULTURAL TECHNOLOGY; ENVIRONMENTAL FATE; NURSERY GROUND; ORCHARD; ORNAMENTAL SPECIES; PESTICIDE; PRECISION AGRICULTURE; SENSOR;

BIOCIDES; DEPOSITS; FOREST CANOPY; FORESTRY; LASERS; ORCHARDS; SENSORS;

EID: 84891438791     PISSN: 21510032     EISSN: None     Source Type: Journal    
DOI: 10.13031/trans.56.9839     Document Type: Article

References (25)

1. Chen, Y., H. Zhu, and H. E. Ozkan. 2012. Development of a variable-rate sprayer with laser scanning sensor to synchronize spray outputs to tree structures. Trans. ASABE 55(3): 773-781.
2. Chen, Y., H. Zhu, H. E. Ozkan, R. C. Derksen, and C. R. Krause. 2013. Spray drift and off-target loss reductions with a precision air-assisted sprayer. Trans. ASABE 56(6): 1273-1281.
3. Derksen, R. C., H. Zhu, R. D. Fox, R. D. Brazee, and C. R. Krause. 2007. Coverage and drift produced by air induction and conventional hydraulic nozzles used for orchard applications. Trans. ASABE 50(5): 1493-1501.
4. Escola, A., F. Camp, F. Solanelles, S. Planas, and J. R. Rosell. 2003. Tree crop proportional spraying according to the vegetation volume. In Proc. 7th Workshop on Spray Application Techniques in Fruit Growing, 43-49. Turin, Italy: University of Turin.
5. Farooq, M., and M. Salyani. 2002. Spray penetration into the citrus tree canopy from two air-carrier sprayers. Trans. ASAE 45(5): 1287-1293.
6. Fox, R. D, D. L. Reichard, R. D. Brazee, C. R. Krause, and F. R. Hall. 1993. Downwind residues from spraying a semidwarf apple orchard. Trans. ASAE 36(2): 333-340.
7. Fox, R. D., R. C. Derksen, H. Zhu, R. A. Downer, and R. D. Brazee. 2004. Airborne spray collection efficiency of nylon screens. Applied Eng. in Agric. 20(2): 147-152.
8. Gil, E., A. Escola, J. R. Rosell, S. Planas, and L. Val. 2007. Variable-rate application of plant protection products in vineyard using ultrasonic sensors. Crop Prot. 26(8): 1287-1297.
9. Giles, D. K., M. J. Delwiche, and R. B. Dodd. 1989. Sprayer control by sensing orchard crop characteristics: Orchard architecture and spray liquid savings. J. Agric. Eng. Res. 43(4): 271-289.
10. Gu, J., H. Zhu, W. Ding, and H. Y. Jeon. 2011. Droplet size distributions of adjuvant-amended sprays from an air-assisted five-port PWM nozzle. Atomization and Sprays 21(3): 263-274.
11. Hoffmann, W. C., and M. Salyani. 1996. Spray deposition on citrus canopies under different meteorological conditions. Trans. ASAE 39(1): 17-22.
12. Jeon, H. Y., and H. Zhu. 2012. Development of variable-rate sprayer for nursery liner applications. Trans. ASABE 55(1): 303-312.
13. Jeon, H. Y., H. Zhu, R. C. Derksen, H. E. Ozkan, C. R. Krause, and R. D. Fox. 2011. Performance evaluation of a newly developed variable-rate sprayer for nursery liner applications. Trans. ASABE 54(6): 1997-2007.
14. Lewis, F. H., and K. D. Hickey. 1972. Fungicide usage on deciduous fruit trees. Ann. Rev. Phytopathol. 10(1): 399-425.
15. Pergher, G., R. Gubiani, and G. Tonetto. 1997. Foliar deposition and pesticide losses from three air-assisted sprayers in a hedgerow vineyard. Crop Protection 16(1):25-33.
16. Salyani, M., M. Farooq, and R. D. Sweeb. 2007. Spray deposition and mass balance in citrus orchard applications. Trans. ASABE 50(6): 1963-1969.
17. Solanelles, F., A. Escola, S. Planas, J. Rosell, F. Camp, and F. Gracia. 2006. An electronic control system for pesticide application proportional to the canopy width of tree crops. Biosystems Eng. 95(4): 473-481.
18. Syngenta. 2004. A user card containing the recommended droplet density in the target area. Basel, Switzerland: Syngenta Crop Protection AG.
19. Tumbo, S. D., M. Salyani, J. D. Whitney, T. A. Wheaton, and W. M. Miller. 2002. Investigation of laser and ultrasonic ranging sensors for measurements of citrus canopy volume. Applied Eng. in Agric. 18(3): 367-372.
20. Wei, J., and M. Salyani. 2004. Development of a laser scanner for measuring tree canopy characteristics: Phase 1. Prototype development. Trans. ASAE 47(6): 2101-2107.
21. Wei, J., and M. Salyani. 2005. Development of a laser scanner for measuring tree canopy characteristics: Phase 2. Foliage density measurement. Trans. ASAE 48(4): 1595-1601.
22. Zhu, H., R. C. Derksen, H. Guler, C. R. Krause, and H. E. Ozkan. 2006a. Foliar deposition and off-target loss with different spray techniques in nursery applications. Trans. ASABE 49(2): 325-334.
23. Zhu, H., R. D. Brazee, R. C. Derksen, R. D. Fox, C. R. Krause, H. E. Ozkan and K. Losely. 2006b. A specially designed air-assisted sprayer to improve spray penetration and air jet velocity distribution inside dense nursery crops. Trans. ASABE 49(5): 1285-1294.
24. Zhu, H., R. H. Zondag, R. C. Derksen, M. Reding, and C. R. Krause. 2008. Influence of spray volume on spray deposition and coverage within nursery trees. J. Environ. Hort. 26(1): 51-57.
25. Zhu, H., M. Salyani, and R. D. Fox. 2011. A portable scanning system for evaluation of spray deposit distribution. Computers and Electronics in Agric. 76(1): 38-43.