Download or read book Herbicide Spray Drift written by A. G. Dexter and published by . This book was released on 1993 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aerial Spray Adjuvants for Herbicidal Drift Control written by H. Gratkowski and published by . This book was released on 1973 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increased public concern about pesticides requires that foresters reduce drift and insure precise application of herbicides to the areas requiring treatment. Drift control is necessary near waterways and other ecologically sensitive areas. This publication discusses available drift control adjuvants for herbicidal sprays. These include invert emulsions, thickening agents, particulating agents, and foam sprays. Commercially available adjuvants are described and their use, advantages, and disadvantages are discussed. Thickening agents and foam sprays show special promise for drift reduction in aerial application of herbicides on forest lands.
Download or read book Herbicidal Drift Control written by H. Gratkowski and published by . This book was released on 1974 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Public concern over environmental pollution requires increasingly sophisticated procedures when herbicides are used in silviculture. Many specialized aerial application systems and spray additives have been developed to reduce drift of herbicidal sprays. This publication provides forest-land managers with a brief description of these aerial spray systems and additives. Personnel and supervision to insure proper use of equipment and additives are also discussed.
Download or read book Herbicide Drift Management and Efficacy with Drift Reducing Nozzles and Additives written by Adam K. Johnson and published by . This book was released on 2001 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Spray Drift Management written by Primary Industries Standing Committee and published by CSIRO PUBLISHING. This book was released on 2002 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical guide focuses on managing the risks of spray drift and includes information on appropriate handing practices to ensure a safe workplace.
Download or read book Aerial Application Equipment for Herbicidal Drift Reduction written by R. E. Stewart and published by . This book was released on 1976 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: This publication provides silviculturists and managers of utility rights-of-way with a description and evaluation of available helicopter spray application equipment. Modified conventional equipment will reduce drift of sprays in normal carriers and apply various high-viscosity sprays. Specialized spray systems have found limited use in forestry; they are more commonly used on utility rights-of-way. Most of the available spray systems or spray adjuvants reduce but do not completely eliminate drift. Maximum drift reduction with present equipment and adjuvants is obtained with the Microfoil Boom.
Download or read book Pesticide Drift Management written by and published by . This book was released on 2007 with total page 2 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Aerial Spray Adjuvants for Herbicidal Drift Control written by H. Gratkowski and published by . This book was released on 1973 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Fundamentals of Weed Science written by Robert Zimdahl and published by Academic Press. This book was released on 2012-12-02 with total page 465 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals of Weed Science provides an introduction to the basic principles of weed science for undergraduate courses. It discusses several aspects of weed biology and control, and traces the history of herbicide development. The book begins with an introduction to weeds, covering their definition, characteristics, harmful aspects, and the cost of weed control. This is followed chapters on weed classification, the uses of weeds, weed biology, weed ecology, allelopathy, the significance of plant competition, weed management and control methods, and biological weed control. Later chapters deal with herbicidesthe most important weed control tools and the ones with the greatest potential for untoward effects. Students of weed science must understand herbicides and the factors governing their use as well as the potential for misuse. These chapters discuss chemical weed control, the properties and uses of herbicides, factors affecting herbicide performance, herbicide application, herbicide formulation, ecological impact of herbicides, pesticide registration and legislation, weed management systems, and the future of weed science.
Download or read book Experimental Studies of Herbicide Drift Characteristics written by and published by . This book was released on 1976 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A knowledge of the drift characteristics of herbicides and pesticides released from ground and aerial rigs is important in forestry and agricultural applications so that methods for minimizing damage to downwind systems sensitive to these chamicals can be developed. A field experiment was undertaken on the Hanford Reservation in eastern Washington State during 1975 to study techniques for maximizing herbicide applications from a spray airplane on the intended area and minimizing drift. Several early morning experiments comparing drift characteristics of a fixed with a test application for various nozzle systems and herbicide concentrations were made. The results of these experiments have shown that the initial drift and drift deposit components varied by only a factor of two or so, depending on the production of smaller droplets, as various techniques were used to put the herbicides down from the aircraft. Meteorological conditions become increasingly important at greater downwind distances from the source. Furthermore, drift reduction was most effective under conditions of high relative humidities and cool temperatures. At large distances from the source, ground level drift was higher on stable than on unstable days. Comments on methods for improving the experimental design, and applications of studies such as these to forestry will be made.
Download or read book Paired Field Studies of Herbicide Drift written by C. E. Goering and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Pesticide Drift Management written by Thomas William Dean and published by . This book was released on 1999 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Weed Control written by Glenn C. Klingman and published by . This book was released on 1961 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dissemination of plants; Plant physiology and herbicides; The soil and herbicides; Surface active agents; Formulations, chemical drift, calculations; Application equipment; Carboxylic-aromatic compounds; Aliphatic acids; Substituted phenols; Heterocyclic nitrogen derivatives; Aliphatic organic nitrogen derivatives; Metal-organic and inorganic salts; Other organic herbicides; Field crops grown in rows; Small grains and flax; Small-seeded legumes; Vegetable crops; Fruit crops; Pastures and range; Brush and undesirable trees; Aquatic weed control; Soil sterilants; Lawn, truf, and other ornamentals.
Download or read book Methods of Applying Herbicides written by C. G. McWhorter and published by . This book was released on 1987 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: This reference book covers the technological advances made in herbicide application methods in a system that stresses the equal importance of herbicide chemical and physical properties, plant morphology, pesticide application accuracy and pesticide distribution. Chapters specifically focus on spray application, aerial application, chemigation, electrostatic enhancement, controlled release materials, pre- and postemergence treatment and injection. Safety and environmental issues are discussed.
Download or read book Simulating the Impact of Herbicide Drift Exposure on Non target Terrestrial Plant Communities written by Jette Reeg and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: In Europe, almost half of the terrestrial landscape is used for agriculture. Thus, semi-natural habitats such as field margins are substantial for maintaining diversity in intensively managed farmlands. However, plants located at field margins are threatened by agricultural practices such as the application of pesticides within the fields. Pesticides are chemicals developed to control for undesired species within agricultural fields to enhance yields. The use of pesticides implies, however, effects on non-target organisms within and outside of the agricultural fields. Non-target organisms are organisms not intended to be sprayed or controlled for. For example, plants occurring in field margins are not intended to be sprayed, however, can be impaired due to herbicide drift exposure. The authorization of plant protection products such as herbicides requires risk assessments to ensure that the application of the product has no unacceptable effects on the environment. For non-target terrestrial plants (NTTPs), the risk assessment is based ...
Download or read book Trouble in the Air written by Cindy Folck and published by . This book was released on 2017 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Glyphosate-tolerant crops were introduced for farmers in 1996, making weed management easier and more economical. However, some weeds have become resistant to glyphosate and a soybean farmer could lose about $22 per acre in yields because of reduced glyphosate effectiveness in their fields (Fernandez-Carnego & Osteen, 2015). New soybean varieties with tolerance to either 2,4-D or dicamba herbicides became available for farmers to control glyphosate-resistant weeds; however, these herbicides volatilize more easily than glyphosate, creating more drift potential during certain weather conditions. Research on herbicide drift has focused on risk mitigation for applicators to reduce or avoid drifting to non-target crops or areas (Wolf & Frohberg, 2002, Ozkan, et al., 1993), literature on the human element of drift, such as crop damage from herbicide drift, was limited. This study was a sequential exploratory, mixed-method research design (Creswell & Plano-Clark, 2010) that explored farmers’ perception of risk, self-efficacy, and response efficacy toward possible crop damage from herbicide drift. To provide descriptive data, focus groups were conducted with a randomized sample of grain and specialty crop farmers in four Ohio counties. This qualitative data was used to create questions for a survey as the quantitative data collection. The surveys were sent to a randomized sample of grain and specialty crop farmers in 20 Ohio counties. Protection motivation theory (PMT) was the framework used to describe farmers' perceptions of risk, self-efficacy, and response efficacy.
Download or read book Weed Control Methods for Rights of Way Management written by Edward O. Gangstad and published by CRC Press. This book was released on 2018-01-18 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume describes in detail methods of control and related data including (1) all vegetation on industrial sites, paved highways, and railroad ballast, (2) woody vegetation along roadsides, utility lines, and fire breaks, and (3) aquatic vegetation on rivers and stream banks, waterways, ponds, reservoirs, irrigation, and drainage channels.
