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2019

Journal Article

Optimization of variables for maximizing efficacy and efficiency in aerial spray application to cotton using unmanned aerial systems

Liao, Juan, Zang, Ying, Luo, Xiwen, Zhou, Zhiyan, Lan, Yubin, Zang, Yu, Gu, Xiuyan, Xu, Weiming and Hewitt, Andrew John (2019). Optimization of variables for maximizing efficacy and efficiency in aerial spray application to cotton using unmanned aerial systems. International Journal of Agricultural and Biological Engineering, 12 (2), 10-17. doi: 10.25165/j.ijabe.20191202.4288

Optimization of variables for maximizing efficacy and efficiency in aerial spray application to cotton using unmanned aerial systems

2019

Journal Article

脉宽调制变量控制喷头雾化性能及风洞环境雾滴沉积特性

Zhang, Ruirui, Li, Longlong, Fu, Wang, Chen, Liping, Yi, Tongchuan, Tang, Qing and Hewitt, Andrew J. (2019). 脉宽调制变量控制喷头雾化性能及风洞环境雾滴沉积特性. Nongye Gongcheng Xuebao, 35 (3), 42-51. doi: 10.11975/j.issn.1002-6819.2019.03.006

脉宽调制变量控制喷头雾化性能及风洞环境雾滴沉积特性

2019

Journal Article

Droplet-size effects on control of Chloris spp. with six POST herbicides

Ferguson, J. Connor, Chauhan, Bhagirath S., Chechetto, Rodolfo G., Hewitt, Andrew J., Adkins, Steve W., Kruger, Greg R. and O'Donnell, Chris C. (2019). Droplet-size effects on control of Chloris spp. with six POST herbicides. Weed Technology, 33 (1), 153-158. doi: 10.1017/wet.2018.99

Droplet-size effects on control of Chloris spp. with six POST herbicides

2019

Journal Article

Field evaluation of an unmanned aerial vehicle (UAV) sprayer: effect of spray volume on deposition and the control of pests and disease in wheat

Wang, Guobin, Lan, Yubin, Qi, Haixia, Chen, Pengchao, Hewitt, Andrew and Han, Yuxing (2019). Field evaluation of an unmanned aerial vehicle (UAV) sprayer: effect of spray volume on deposition and the control of pests and disease in wheat. Pest Management Science, 75 (6), 1546-1555. doi: 10.1002/ps.5321

Field evaluation of an unmanned aerial vehicle (UAV) sprayer: effect of spray volume on deposition and the control of pests and disease in wheat

2018

Journal Article

喷雾助剂类型及浓度对喷头雾化效果影响

Zhang, Ruirui, Zhang, Zhen, Xu, Gang, Chen, Liping and Hewitt, Andrew J. (2018). 喷雾助剂类型及浓度对喷头雾化效果影响. Nongye Gongcheng Xuebao, 34 (20), 36-43. doi: 10.11975/j.issn.1002-6819.2018.20.005

喷雾助剂类型及浓度对喷头雾化效果影响

2018

Journal Article

Field Measurements of Drift of Conventional and Drift Control Formulations of 2,4-D Plus Glyphosate

Havens, Patrick L., Hillger, David E., Hewitt, Andrew J., Kruger, Greg R., Marchi-Werle, Lia and Czaczyk, Zbigniew (2018). Field Measurements of Drift of Conventional and Drift Control Formulations of 2,4-D Plus Glyphosate. Weed Technology, 32 (5), 550-556. doi: 10.1017/wet.2018.55

Field Measurements of Drift of Conventional and Drift Control Formulations of 2,4-D Plus Glyphosate

2018

Journal Article

Effect of spray droplet size on herbicide efficacy on four winter annual grasses

Ferguson, J. Connor, Chechetto, Rodolfo G., Adkins, Steve W., Hewitt, Andrew J., Chauhan, Bhagirath S., Kruger, Greg R. and O'Donnell, Chris C. (2018). Effect of spray droplet size on herbicide efficacy on four winter annual grasses. Crop Protection, 112, 118-124. doi: 10.1016/j.cropro.2018.05.020

Effect of spray droplet size on herbicide efficacy on four winter annual grasses

2018

Journal Article

Drift measurements for two systems of hydrogen cyanamide spraying in kiwifruit

Connell, Robert, Post, Scott, Ledebuhr, Mark, Moorhead, Brian and Hewitt, Andrew (2018). Drift measurements for two systems of hydrogen cyanamide spraying in kiwifruit. New Zealand Plant Protection, 71, 19-24. doi: 10.30843/nzpp.2018.71.186

Drift measurements for two systems of hydrogen cyanamide spraying in kiwifruit

2018

Journal Article

Flat-fan spray atomization model

Post, S. L. and Hewitt, A. J. (2018). Flat-fan spray atomization model. Transactions of the ASABE, 61 (4), 1249-1256. doi: 10.13031/trans.12572

Flat-fan spray atomization model

2018

Journal Article

Laboratory measurements of evaporation rate of droplets at low relative wind speed

Teske, M. E., Thistle, H. W., Riley, C. M. and Hewitt, A. J. (2018). Laboratory measurements of evaporation rate of droplets at low relative wind speed. Transactions of the ASABE, 61 (3), 919-923. doi: 10.13031/trans.12743

Laboratory measurements of evaporation rate of droplets at low relative wind speed

2017

Journal Article

Wind tunnel flux comparisons using a phase Doppler interferometer

Roten, Roy L., Post, Scott L., Werner, Armin, Safa, Majeed and Hewitt, Andrew J. (2017). Wind tunnel flux comparisons using a phase Doppler interferometer. Journal of Plant Protection Research, 57 (3), 281-287. doi: 10.1515/jppr-2017-0040

Wind tunnel flux comparisons using a phase Doppler interferometer

2017

Journal Article

Phase doppler quantification of agricultural spray compared with traditional sampling materials

Roten, R. L., Post, S. L., Werner, A., Safa, M. and Hewitt, A. J. (2017). Phase doppler quantification of agricultural spray compared with traditional sampling materials. New Zealand Plant Protection, 70, 142-151. doi: 10.30843/nzpp.2017.70.40

Phase doppler quantification of agricultural spray compared with traditional sampling materials

2017

Journal Article

Aerially released spray penetration in a tall coniferous forest canopy

Thistle, H. W., Reardon, R. C., Bonds, J. A. S., Fritz, B. L., Hoffmann, W. C., Kees, G. J., Grob, I. J., Hewitt, A. J., O'Donnell, C. C., Felton, K. D. and Onken, B. P. (2017). Aerially released spray penetration in a tall coniferous forest canopy. Transactions of the ASABE, 59 (5), 1221-1231. doi: 10.13031/trans.59.11872

Aerially released spray penetration in a tall coniferous forest canopy

2016

Journal Article

Pressure, droplet size classification, and nozzle arrangement effects on coverage and droplet number density using air-inclusion dual fan nozzles for pesticide applications

Ferguson, J. Connor, Hewitt, Andrew J. and O'Donnell, Chris C. (2016). Pressure, droplet size classification, and nozzle arrangement effects on coverage and droplet number density using air-inclusion dual fan nozzles for pesticide applications. Crop Protection, 89, 231-238. doi: 10.1016/j.cropro.2016.07.032

Pressure, droplet size classification, and nozzle arrangement effects on coverage and droplet number density using air-inclusion dual fan nozzles for pesticide applications

2016

Journal Article

Assessing a novel smartphone application – SnapCard, compared to five imaging systems to quantify droplet deposition on artificial collectors

Ferguson, J. Connor, Chechetto, Rodolfo G., O'Donnell, Chris C., Fritz, Brad K., Hoffmann, W. Clint, Coleman, Chet E., Chauhan, Bhagirath S., Adkins, Steve W., Kruger, Greg R. and Hewitt, Andrew J. (2016). Assessing a novel smartphone application – SnapCard, compared to five imaging systems to quantify droplet deposition on artificial collectors. Computers and Electronics in Agriculture, 128, 193-198. doi: 10.1016/j.compag.2016.08.022

Assessing a novel smartphone application – SnapCard, compared to five imaging systems to quantify droplet deposition on artificial collectors

2016

Journal Article

Determining the drift potential of Venturi nozzles compared with standard nozzles across three insecticide spray solutions in a wind tunnel

Ferguson, J. Connor, Chechetto, Rodolfo G., O'Donnell, Chris C., Dorr, Gary J., Moore, John H., Baker, Greg J., Powis, Kevin J. and Hewitt, Andrew J. (2016). Determining the drift potential of Venturi nozzles compared with standard nozzles across three insecticide spray solutions in a wind tunnel. Pest Management Science, 72 (8), 1460-1466. doi: 10.1002/ps.4214

Determining the drift potential of Venturi nozzles compared with standard nozzles across three insecticide spray solutions in a wind tunnel

2016

Journal Article

Impacts of polymer/surfactant interactions on spray drift

Wang, Ruobing, Dorr, Gary, Hewitt, Andrew and Cooper-White, Justin (2016). Impacts of polymer/surfactant interactions on spray drift. Colloids and Surfaces A: Physicochemical and Engineering Aspects, 500, 88-97. doi: 10.1016/j.colsurfa.2016.03.056

Impacts of polymer/surfactant interactions on spray drift

2016

Journal Article

Assessing the deposition and canopy penetration of nozzles with different spray qualities in an oat (Avena sativa L.) canopy

Ferguson, J. Connor, Chechetto, Rodolfo G., Hewitt, Andrew J., Chauhan, Bhagirath S., Adkins, Steve W., Kruger, Greg R. and O'Donnell, Chris C. (2016). Assessing the deposition and canopy penetration of nozzles with different spray qualities in an oat (Avena sativa L.) canopy. Crop Protection, 81, 14-19. doi: 10.1016/j.cropro.2015.11.013

Assessing the deposition and canopy penetration of nozzles with different spray qualities in an oat (Avena sativa L.) canopy

2016

Journal Article

Volumetric validation of mass balance using a computational phase Doppler approach for disc core nozzles

Roten, R. L., Post, S. L., Werner, A., Hewitt, A. J. and Safa, M. (2016). Volumetric validation of mass balance using a computational phase Doppler approach for disc core nozzles. Crop Protection, 79, 128-134. doi: 10.1016/j.cropro.2015.10.018

Volumetric validation of mass balance using a computational phase Doppler approach for disc core nozzles

2016

Journal Article

Initial laboratory measurements of the evaporation rate of droplets inside a spray cloud

Teske, Milton E., Thistle, Harold W., Riley, Christopher M. and Hewitt, Andrew J. (2016). Initial laboratory measurements of the evaporation rate of droplets inside a spray cloud. Transactions of the ASABE, 59 (2), 487-493. doi: 10.13031/trans.59.11543

Initial laboratory measurements of the evaporation rate of droplets inside a spray cloud