Kansas State University Biological and Agricultural Engineering Departm Comparison of Venturi Spray Tips and Spray Pressure on Glyphosate and Paraquat Efficacy Robert Wolf Biological and Agricultural Engineering Dept. Cathy Minihan and Dallas Peterson Department of Agronomy
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Comparison of Venturi Spray Tips and Spray Pressure on Glyphosate and Paraquat Efficacy
Comparison of Venturi Spray Tips and Spray Pressure on Glyphosate and Paraquat Efficacy. Robert Wolf Biological and Agricultural Engineering Dept. Cathy Minihan and Dallas Peterson Department of Agronomy. Objective of this study:. - PowerPoint PPT Presentation
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Kansas State University Biological and Agricultural Engineering Department
Comparison of Venturi Spray Tips and Spray Pressure on Glyphosate and
Paraquat Efficacy
Robert Wolf Biological and Agricultural Engineering Dept.
Cathy Minihan and Dallas Peterson Department of Agronomy
Kansas State University Biological and Agricultural Engineering Department
Objective of this study:
Compare the efficacy and spray droplet characteristics of three venturi flat-fan nozzles against the turbo flat-fan tip at 207, 345, and 482 kPa (30, 50, and 70 psi).
Kansas State University Biological and Agricultural Engineering Department
Materials and Methods:Experiments: Location: Ashland Bottoms, Manhattan, KSExp. Design: 2 x 3 x 4 split-split plot with 3 reps (24 treatments)Drop Collectors: Placed in 2 reps with 2 cards per rep (96 cards)Plot Size: 3 x 9 m with 1.5 m bufferWeeds Velvetleaf, common sunflower, sorghum, cornVisual Ratings: 1, 2, and 4 weeks after treatment
Application Conditions: Date: July 09, 2002 Weed Size: Vele - 15 cm, Cosf - 20 cm, Sorg – 25 cm, Corn – 13 cm Temperature: 37 C R. H.: 20% Wind: S-SW@ 4-5 km/h
Kansas State University Biological and Agricultural Engineering Department