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Pesticide Spray Droplet Adhesion Modeling
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Book Synopsis Pesticide Spray Droplet Adhesion Modeling by : JA. Zabkiewicz
Download or read book Pesticide Spray Droplet Adhesion Modeling written by JA. Zabkiewicz and published by . This book was released on 2001 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spray droplet adhesion is a consequence of dynamic interactions of formulants within the spray droplet during flight and on impact, physical properties of the droplet (size and velocity), leaf surface morphology and leaf orientation. The objective of this study was to improve on a universal adhesion model incorporating the above factors. The previous spray droplet adhesion model has been extended to include droplet size (ranging from 180 ?m to 1000 ?m) and droplet velocity (0.63 ms-1 to 2.82 ms-1 at impact), and made more robust by increasing the number of formulations (dynamic surface tension of droplets at impact range from 20.7 to 72 mN m-1), the types of leaf surfaces (20% acetone contact angles on the leaf surfaces range from 61° to 124°), and the number of droplet impact angles (leaf angles from horizontal to 67.5°). In this study, contact angles using 20% acetone:water accounted for 95% of the differences between the leaf surfaces studied compared to 76% previously observed with water only. The present universal model explains 74% of the deviance. The current model's capabilities and limitations are discussed in relation to the physical parameters measured and observed.
Book Synopsis Pesticide Formulations and Application Systems by : Jane C. Mueninghoff
Download or read book Pesticide Formulations and Application Systems written by Jane C. Mueninghoff and published by ASTM International. This book was released on 2001 with total page 257 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nozzle Formulation Interactions by : JK. Hacker
Download or read book Nozzle Formulation Interactions written by JK. Hacker and published by . This book was released on 2005 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tests were conducted with a widely used herbicide (glyphosate) that is available in a range of formulations and a selection of commonly used nozzle types [XR TeeJet, extended range flat spray tip (XR), Turbo TeeJet, wide angle flat spray tip (TT), AI TeeJet, Air Induction spray tip (AI)] and determined the rebound characteristics of each combination using a difficult-to-wet foliar crop target (cabbage), an easy-to-wet hairy weed (velvetleaf), and a difficult-to-wet weed (lambsquarters). The rebound was determined under standard spraying conditions in a track room using a "bounce chamber" constructed at The Laboratory for Pest Control Application Technology (LPCAT). The amount of spray liquid retained and reflected from the leaf surfaces was determined by weight. The data showed that there were no significant differences between the nozzles, but that formulation differences did occur and were a reflection of surfactant level in the spray mixture. There was a significant formulation X leaf interaction and leaf X nozzle interaction, but not a formulation X nozzle interaction.
Book Synopsis A Model for Estimating the Capture of Pesticide Spray Droplets by Plant Canopies Using Plant Areal Densities by : David F. Parkhurst
Download or read book A Model for Estimating the Capture of Pesticide Spray Droplets by Plant Canopies Using Plant Areal Densities written by David F. Parkhurst and published by . This book was released on 1984 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computer and Computing Technologies in Agriculture IX by : Daoliang Li
Download or read book Computer and Computing Technologies in Agriculture IX written by Daoliang Li and published by Springer. This book was released on 2016-11-11 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: The two volumes IFIP AICT 478 and 479 constitute the refereed post-conference proceedings of the 9th IFIP WG 5.14 International Conference on Computer and Computing Technologies in Agriculture, CCTA 2015, held in Beijing, China, in September 2015. The 122 revised papers included in this volume were carefully selected from 237 submissions. They cover a wide range of interesting theories and applications of information technology in agriculture, including intelligent sensing, monitoring and automatic control technology; key technology and models of the Internet of things; intelligent technology for agricultural equipment; computer vision; computer graphics and virtual reality; computer simulation, optimization and modeling; cloud computing and agricultural applications; agricultural big data; decision support systems and expert systems; 3s technology and precision agriculture; quality and safety of agricultural products; detection and tracing technology; and agricultural electronic commerce technology.
Download or read book Pesticide Application written by and published by . This book was released on 2000 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Field Precision Pesticide Application Technology and Ground Intelligent Sprayer by : Wei Qiu
Download or read book Field Precision Pesticide Application Technology and Ground Intelligent Sprayer written by Wei Qiu and published by Frontiers Media SA. This book was released on with total page 161 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Image and Graphics Technologies and Applications by : Yongtian Wang
Download or read book Image and Graphics Technologies and Applications written by Yongtian Wang and published by Springer. This book was released on 2018-08-11 with total page 674 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the refereed proceedings of the 13th Chinese Conference on Image and Graphics Technologies and Applications, IGTA 2018, held in Beijing, China in April, 2018. The 64 papers presented were carefully reviewed and selected from 138 submissions. They provide a forum for sharing progresses in the areas of image processing technology; image analysis and understanding; computer vision and pattern recognition; big data mining, computer graphics and VR; as well as image technology applications.
Download or read book New Zealand Plant Protection written by and published by . This book was released on 2003 with total page 1046 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling the Spray Atomization of Emulsion Embedded Agricultural Solutions by : De-Wei Yin
Download or read book Modeling the Spray Atomization of Emulsion Embedded Agricultural Solutions written by De-Wei Yin and published by . This book was released on 2010 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: A typical agricultural chemical spray process involves atomizing a liquid stream of diluted pesticide solution through hydraulic spray nozzles that inherently produce a wide spectrum of spray droplet sizes. Finer droplets have higher potential for off-target movement or drift, which is of concern due to its potential impact on neighboring crops and livestock, sensitive ecological resources, and human health. Research by the Spray Drift Task Force and others has demonstrated that, although spray nozzle selection and application parameters are the key factors to produce the desired droplet size spectrum, the physical properties of the spray solution have significant effects on the droplet size distribution for various kinds of nozzles. One of these properties of many spray fluids is the inclusion of an oil phase in the form of an emulsion. The effect of oil-in-water emulsions on the spray droplet size distribution has been demonstrated by previous work. However, the mechanisms of this effect are largely unknown. In this study, a method to model this effect was proposed. A characteristic dimensionless number for connecting the bulk spray properties and the microscopic emulsion droplet properties was defined as the ratio between the emulsion recovery time and the spray atomization time. This study will help in the design of agricultural spray nozzles and the optimization of anti-drift spray additives.
Book Synopsis Eleventh Report, National Spray Model and Application Technology Working Group Meeting by : Patricia J. Skyler
Download or read book Eleventh Report, National Spray Model and Application Technology Working Group Meeting written by Patricia J. Skyler and published by . This book was released on 2001 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pesticide Spray Application, Behavior, and Assessment by :
Download or read book Pesticide Spray Application, Behavior, and Assessment written by and published by . This book was released on 1976 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Novel Apparatus for Estimating Pesticide Volatility from Spray Droplets by : Jeffrey Poel
Download or read book A Novel Apparatus for Estimating Pesticide Volatility from Spray Droplets written by Jeffrey Poel and published by . This book was released on 1996 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Technology in Agriculture by : Fiaz Ahmad
Download or read book Technology in Agriculture written by Fiaz Ahmad and published by BoD – Books on Demand. This book was released on 2021-10-13 with total page 538 pages. Available in PDF, EPUB and Kindle. Book excerpt: Food security is one of the primary themes of the United Nations’ Sustainable Development Goals. In this regard, agricultural engineering is considered the backbone of agriculture, and agricultural mechanization is considered a helpful way to enhance crop yield and farmers’ profitability. Technology in Agriculture presents research in the field of agricultural engineering technologies and applications in agricultural equipment engineering, biosystem engineering, energy systems engineering, and computers in agriculture. It provides an overview of recent advancements in agricultural engineering and examines key aspects of emerging technologies and their applications. In addition, the book explores modern methodologies such as artificial intelligence and machine learning for agricultural mechanization.
Book Synopsis A Virtual Nozzle for Modeling Pesticide Spray Deposition in a Plant Canopy by : Mehrdad Darvishvand Taher
Download or read book A Virtual Nozzle for Modeling Pesticide Spray Deposition in a Plant Canopy written by Mehrdad Darvishvand Taher and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Virtual Nozzle for Modeling Pesticide Spray Deposition in a Plant Canopy by :
Download or read book A Virtual Nozzle for Modeling Pesticide Spray Deposition in a Plant Canopy written by and published by . This book was released on 1999 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Pesticide Application Methods by : G. A. Matthews
Download or read book Pesticide Application Methods written by G. A. Matthews and published by Longman Publishing Group. This book was released on 1982 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
