Aerial electrostatic spray deposition and canopy penetration in cotton |
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| Institution: | 1. Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, Jiangsu University, Zhenjiang 212013, China;2. Nanjing Research Institute for Agricultural Mechanization, Ministry of Agriculture, Nanjing 210014, China;1. Academy of Scientific and Innovative Research (AcSIR), Rafi Marg, New Delhi 110 011, India;2. CSIR-Central Scientific Instruments Organisation, Chandigarh 160030, India;1. KU Leuven, Department of Biosystems, MeBioS, De Croylaan 42, 3001 Leuven, Belgium;2. Institute for Agricultural and Fisheries Research (ILVO) – Technology and Food Science Unit, Agricultural Engineering, Burg. Van Gansberghelaan 115, 9820 Merelbeke, Belgium;3. Research Station for Fruit Growing (pcfruit), Department of Ecology, Fruittuinweg 1, 3800 Sint-Truiden, Belgium;1. Department of Agricultural and Environmental Science (DiSAAT), University of Bari Aldo Moro, Via Amendola 165/A, 70126 Bari, Italy;2. Department of Agri-food and Environmental Systems Management (DiGeSA), Section of Mechanics and Mechanisation, University of Catania, Via Santa Sofia, 100, 95123 Catania, Italy |
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| Abstract: | Daylight visible fluorescent dye (10% v/v) mixed with water was aerially applied on mature field cotton with electrostatic and rotary atomizer nozzles. The spray rates for the electrostatic and rotary atomizer nozzles were 9.4 and 28 L/ha, respectively. Images of spray droplets on cotton leaves were digitally analyzed with ImageJ software. Charged spray cloud increased deposition nearly two to three times on adaxial and abaxial surfaces, respectively, of top canopy leaves compared to uncharged spray. Canopy penetration of the spray into the lower layers of the plant foliage was unaffected by spray application method. |
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| Keywords: | Fluorescent imaging Electrostatics Aerial sprays Cotton |
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