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Droplet behavior on maize crop at three growth stages using knapsack sprayer with different nozzle types
Authors: Majid Alheidary, Madyan Alshaheen, Sundus Al abdullah
Identifier: CSBE21413
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Published in: CSBE-SCGAB Technical Conferences » 5th CIGR and AGM Quebec City 2021 » Regular Sessions
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Description: When the targeted part of the crop is leaves, spray droplets should be perfectly distributed on the entire plant as possible. There is an important relationship between droplet characteristics and nozzle type on the sprayer to achieve the best deposition on the crop with a limited amount of deposits on the ground. A field study was performed to investigate the droplets behavior on maize crop. Three different nozzle types as Flat fan, Hollow cone, and tip nozzles are used separately for measuring characteristics of the droplets deposited on the leaves at three locations: upper, middle, and bottom. BSF dye was used as a tracer to observe droplet size, spray deposition, and coverage deposited on the collectors. All spraying applications were carried out using knapsack sprayer at 2bar. The main results showed that the movement of droplets to the target was greatly influenced by the nozzle type. The best spray deposition and coverage were achieved by using hollow cone nozzle compared to other nozzles. The outcomes also revealed that there was overspraying (20.24%) on the upper leaves using the flat fan nozzle compared to other locations and nozzles. On the other hand, lower percentage 1.15% of the droplets using the flat fan nozzle deposited on the ground. Considering the growth stages of crop, the percentage of spray deposition and coverage were significantly decreased with growth increasing. This decrease was particularly evident during the grain filling stage. The largest percentage, 38.5%, of the spray droplets deposited on the jointing stage.
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Date: 2021-06-11
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Conference name: 5th CIGR International Conference and CSBE-SCGAB AGM 2021, Quebec City,QC, 11-14 May 2021.
Session name: Machinery and Robotic Systems 1
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Type: Text.Abstract
Format:
Publication type: Presentation
Source:
Relation:
Coverage: Iraq
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
DOI:
Description: When the targeted part of the crop is leaves, spray droplets should be perfectly distributed on the entire plant as possible. There is an important relationship between droplet characteristics and nozzle type on the sprayer to achieve the best deposition on the crop with a limited amount of deposits on the ground. A field study was performed to investigate the droplets behavior on maize crop. Three different nozzle types as Flat fan, Hollow cone, and tip nozzles are used separately for measuring characteristics of the droplets deposited on the leaves at three locations: upper, middle, and bottom. BSF dye was used as a tracer to observe droplet size, spray deposition, and coverage deposited on the collectors. All spraying applications were carried out using knapsack sprayer at 2bar. The main results showed that the movement of droplets to the target was greatly influenced by the nozzle type. The best spray deposition and coverage were achieved by using hollow cone nozzle compared to other nozzles. The outcomes also revealed that there was overspraying (20.24%) on the upper leaves using the flat fan nozzle compared to other locations and nozzles. On the other hand, lower percentage 1.15% of the droplets using the flat fan nozzle deposited on the ground. Considering the growth stages of crop, the percentage of spray deposition and coverage were significantly decreased with growth increasing. This decrease was particularly evident during the grain filling stage. The largest percentage, 38.5%, of the spray droplets deposited on the jointing stage.
Keywords:
Résumé:
Mots-clés:
Citation:
Volume:
Issue:
Pages -
Contributor:
Date: 2021-06-11
Technical field:
Conference name: 5th CIGR International Conference and CSBE-SCGAB AGM 2021, Quebec City,QC, 11-14 May 2021.
Session name: Machinery and Robotic Systems 1
Other information:
Type: Text.Abstract
Format:
Publication type: Presentation
Source:
Relation:
Coverage: Iraq
Language 1: en
Language 2:
Rights: Canadian Society for Bioengineering
Notes:
Other files:
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