Download or read book Environmental Dynamics of Pesticides written by V. Freed and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pesticides have played a significant role in increasing food production, and in view of growing worldwide food demand we can expect the use of these chemicals to increase. However, some of them have found their way into the biosphere and have been classi fied as persistent toxic chemicals. This has resulted in serious concern about environmental contamination. Since we are going to continue using chemicals, we should learn more about such aspects as their transport in the environment, the relationship of their physical-chemical properties to transport, their persistence in the biosphere, their partitioning in the biota, and toxicological and epidemiological forecasting based on physical-chemical properties. Environmental chemodynamics is the name given to a subject which deals with some of the above topics, utilizing the principles of such disciplines as chemistry, physics, systems analysis, modelling, engineering, and medical and biological sciences. To ensure the safety of the environment, we must know more about the chemodynamical behavior of pesticides and related chemi cals. The purpose of the symposium "Environmental Dynamics of Pes ticides" was to explore the concept of chemodynamics as applied to pesticides and thus may help in developing the emerging field of environmental chemodynamics. The symposium was held during the l37th National American Chemical Society Meeting at Los Angeles, California, during April, 1974. The three sessions in the sym posium were chai'red by Drs. V.H. Freed, D.G. Crosby, and R. Haque.
Download or read book Environmental Dynamics of Pesticides written by V. Freed and published by . This book was released on 1975-02-01 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Environmental Dynamics of Pesticides written by Rizwanul Haque and published by . This book was released on 1975 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Physical Principles of Pesticide Behaviour written by Gilbert Spencer Hartley and published by . This book was released on 1980 with total page 542 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 1: Dosage and response; Solubility, partition and adsorption; Principles of diffusion and flow; Chemical transformation; Behaviour in soil and other porous granular materials; Behaviour of pesticides in air; Pesticides in aquatic situations; Coverage and spreading; Permeation. Volume 2: Relatorio of permeation to toxicity; Penetration of pesticides into higher plants; Penetration of pesticides into insects and fungi; Effects of growth and movement of organisms on interception of pesticides; Application and formulation.
Download or read book Pesticides and the Future written by Ronald J. Kuhr and published by IOS Press. This book was released on 1998 with total page 344 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together over 30 contributors with expertise in a variety of disciplines related to the topic. Although efforts continue toward reduction or elimination of pesticide chemicals in the management of pests in agriculture, public health and the urban arena, chemicals will continue to be one of the main weapons in control of insects, weeds, nematodes, plant diseases, etc. for some time to come. While considerable information is known about the acute toxicity of these compounds, information on the chronic effects from exposure to minute amounts of pesticide residues in food, water, air and soil is often very limited. This book approaches the topic from several different vantage points including pesticide epidemiology, new modes of action to minimize nontarget exposure, bioremediation of contaminated areas, molecular biology of the modes of action and detoxication of pesticides, and the dynamics of pesticide movement in the environment. As world leaders in the manufacture and use of pesticides, countries must cooperate in the search for safer pesticides with minimum chronic effects on humans and the environment. This book helps to remove the barriers of distance and language and should lead to new cooperative research efforts across country lines and discipline lines. Contents: Epidemiology of Pesticides Chronic Effects of Pesticides on Health Safer Insecticides Bioremediation of Pesticide Residues Biochemical and Molecular Biology of Pesticides Pesticide Ecology/Dynamics
Download or read book Pesticides in Agriculture and the Environment written by Willis B. Wheeler and published by CRC Press. This book was released on 2002-08-14 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discussing the range of effects of pesticides on food and human safety, water quality, wildlife, and pest management, this book explores the agricultural, economic, and regulatory factors that affect pesticide use. It examines crop and pest ecology, integrated pest management principles, and emerging analytical tools to improve the efficacy and cost-efficiency of pest control. Expert contributions describe the current status of pesticides issues and those related to pest management. The book summarizes advances and trends in the crop protection industry, such as integrated pest management, hybrid seed and generic pesticide production, improved pesticide formulations, and plant biotechnology.
Download or read book Pesticides written by Hamir S. Rathore and published by CRC Press. This book was released on 2012-04-11 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pesticides play an important role in controlling pests that carry diseases and threaten crop production. In recent years, however, there has been increased concern about the adverse impacts of pesticides and their degradation products on public health and the environment. A considerable amount of work is being done to develop nonchemical methods of
Download or read book Pesticides in Aquatic Environments written by Mohammad Khan and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 263 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water covers about two-thirds of the surface of earth, but only 0.627 percent of this water is the sweet surface and subsurface water available for the survival of freshwater organisms including man (1,2). Some of this fresh or sweet water lies in practically uninhabitable regions (rivers: }1ackenzie in Canada; Amazon in Central America; Ob, Yenesey, and Lenta in Siberia, etc.). Also, most of the major rivers (the Mississippi in U.S.A., the Rhine in Europe, the Volga in U.S.S.R., the Ganges in India, etc.), because they flow through agricultural land or urban and industrial areas, have become highly contaminated with chemicals (3). This leaves us with shrinking resources of sweet surface water. In the United States, the dependable supplies of this water are already dwindling in cities like New York and Los Angeles and states like New Mexico and Texas (3).
Download or read book Adsorption Movement and Biological Degradation of Large Concentrations of Selected Pesticides in Soils written by Municipal Environmental Research Laboratory and published by . This book was released on 1980 with total page 126 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Report of the Secretary s Commission on Pesticides and Their Relationship to Environmental Health written by United States. Department of Health, Education, and Welfare. Secretary's Commission on Pesticides and Their Relationship to Environmental Health and published by . This book was released on 1969 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Hormonally Active Agents in the Environment written by National Research Council and published by National Academies Press. This book was released on 2000-01-03 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: Some investigators have hypothesized that estrogens and other hormonally active agents found in the environment might be involved in breast cancer increases and sperm count declines in humans as well as deformities and reproductive problems seen in wildlife. This book looks in detail at the science behind the ominous prospect of "estrogen mimics" threatening health and well-being, from the level of ecosystems and populations to individual people and animals. The committee identifies research needs and offers specific recommendations to decision-makers. This authoritative volume: Critically evaluates the literature on hormonally active agents in the environment and identifies known and suspected toxicologic mechanisms and effects of fish, wildlife, and humans. Examines whether and how exposure to hormonally active agents occursâ€"in diet, in pharmaceuticals, from industrial releases into the environmentâ€"and why the debate centers on estrogens. Identifies significant uncertainties, limitations of knowledge, and weaknesses in the scientific literature. The book presents a wealth of information and investigates a wide range of examples across the spectrum of life that might be related to these agents.
Download or read book Pesticide Profiles written by Michael A. Kamrin and published by CRC Press. This book was released on 1997-03-12 with total page 710 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pesticide Profiles: Toxicity, Environmental Impact, and Fate is like three books in one-it is a profile containing specific information about 137 pesticides, a primer of environmental toxicology, and an extensive trade name index. Profiles of each pesticide contain regulatory information, toxicity assessments, environmental fate data, physical properties, and acceptable exposure limit values. What these values and data mean in terms of human toxicity is clearly interpreted as well. The book also describes the meaning of carcinogenicity and how it is assessed in non-technical terms the non-expert can understand. Readers with a technical background are provided with the data to make their own judgments. In addition to information about specific pesticides, there are sections on general classes of pesticides, such as organophosphates. This information allows readers to make inferences about any pesticide in a class, even if a profile is not provided. Pesticide Profiles: Toxicity, Environmental Impact, and Fate goes beyond the usual listings of toxicity values or environmental half-lives to offer a broad understanding to readers of various backgrounds and interests.
Download or read book Controlled Release of Pesticides for Sustainable Agriculture written by Rakhimol K. R. and published by Springer. This book was released on 2019-08-01 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents an introduction to the concept and need of sustainable agriculture, the mechanisms of conventional and controlled release of pesticides, herbicides and plant hormones. It also contains the carriers which supply controlled release including polymers and nanoparticles. A full chapter is devoted to the theory and simulation aspects.
Download or read book Food Systems in an Unequal World written by Ryan E. Galt and published by University of Arizona Press. This book was released on 2014-03-27 with total page 305 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pesticides, a short-term aid for farmers, can often be harmful, undermining the long-term health of agriculture, ecosystems, and people. The United States and other industrialized countries import food from Costa Rica and other regions. To safeguard the public health, importers now regulate the level and types of pesticides used in the exporters’ food production, which creates “regulatory risk” for the export farmers. Although farmers respond to export regulations by trying to avoid illegal pesticide residues, the food produced for their domestic market lacks similar regulation, creating a double standard of pesticide use. Food Systems in an Unequal World examines the agrochemical-dependent agriculture of Costa Rica and how its uneven regulation in export versus domestic markets affects Costa Rican vegetable farmers. Examining pesticide-dependent vegetable production within two food systems, the author shows that pesticide use is shaped by three main forces: agrarian capitalism, the governance of food systems throughout the commodity chain, and ecological dynamics driving local food production. Those processes produce unequal outcomes that disadvantage less powerful producers who have more limited choices than larger farmers, who usually have access to better growing environments and thereby can reduce pesticide use and production costs. Despite the rise of alternative food networks, Galt says, persistent problems remain in the conventional food system, including widespread and intensive pesticide use. Facing domestic price squeezes, vegetable farmers in Costa Rica are more likely to supply the national market with produce containing residues of highly toxic pesticides, while using less toxic pesticides on exported vegetables. In seeking solutions, Galt argues for improved governance and research into alternative pest control but emphasizes that the process must be rooted in farmers’ economic well-being.
Download or read book The Future Role of Pesticides in US Agriculture written by National Research Council and published by National Academies Press. This book was released on 2000-11-02 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although chemical pesticides safeguard crops and improve farm productivity, they are increasingly feared for their potentially dangerous residues and their effects on ecosystems. The Future Role of Pesticides explores the role of chemical pesticides in the decade ahead and identifies the most promising opportunities for increasing the benefits and reducing the risks of pesticide use. The committee recommends R&D, program, and policy initiatives for federal agriculture authorities and other stakeholders in the public and private sectors. This book presents clear overviews of key factors in chemical pesticide use, including: Advances in genetic engineering not only of pest-resistant crops but also of pests themselves. Problems in pesticide useâ€"concerns about the health of agricultural workers, the ability of pests to develop resistance, issues of public perception, and more. Impending shifts in agricultureâ€"globalization of the economy, biological "invasions" of organisms, rising sensitivity toward cross-border environmental issues, and other trends. With a model and working examples, this book offers guidance on how to assess various pest control strategies available to today's agriculturist.
Download or read book Ecologically Based Pest Management written by National Research Council and published by National Academies Press. This book was released on 1996-03-21 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Widespread use of broad-spectrum chemical pesticides has revolutionized pest management. But there is growing concern about environmental contamination and human health risksâ€"and continuing frustration over the ability of pests to develop resistance to pesticides. In Ecologically Based Pest Management, an expert committee advocates the sweeping adoption of ecologically based pest management (EBPM) that promotes both agricultural productivity and a balanced ecosystem. This volume offers a vision and strategies for creating a solid, comprehensive knowledge base to support a pest management system that incorporates ecosystem processes supplemented by a continuum of inputsâ€"biological organisms, products, cultivars, and cultural controls. The result will be safe, profitable, and durable pest management strategies. The book evaluates the feasibility of EBPM and examines how best to move beyond optimal examples into the mainstream of agriculture. The committee stresses the need for information, identifies research priorities in the biological as well as socioeconomic realm, and suggests institutional structures for a multidisciplinary research effort. Ecologically Based Pest Management addresses risk assessment, risk management, and public oversight of EBPM. The volume also overviews the history of pest managementâ€"from the use of sulfur compounds in 1000 B.C. to the emergence of transgenic technology. Ecologically Based Pest Management will be vitally important to the agrichemical industry; policymakers, regulators, and scientists in agriculture and forestry; biologists, researchers, and environmental advocates; and interested growers.
Download or read book Residue Reviews written by Francis A. Gunther and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: That residues of pesticide and other contaminants in the total environment are of concern to everyone everywhere is attested by the reception accorded previous volumes of "Residue Reviews" and by the gratifying enthusiasm, sincerity, and efforts shown by all the in dividuals from whom manuscripts have been solicited. Despite much propaganda to the contrary, there can never be any serious question that pest-control chemicals and food-additive chemicals are essential to adequate food production, manufacture, marketing, and storage, yet without continuing surveillance and intelligent control some of those that persist in our foodstuffs could at times conceivably endanger the public health. Ensuring safety-in-use of these many chemicals is a dynamic challenge, for established ones are continually being dis placed by newly developed ones more acceptable to food tech nologists, pharmacologists, toxicologists, and changing pest-control requirements in progressive food-producing economies. These matters are of genuine concern to increasing numbers of governmental agencies and legislative bodies around the world, for some of these chemicals have resulted in a few mishaps from improper use. Adequate safety-in-use evaluations of any of these chemicals per sisting into our foodstuffs are not simple matters, and they incorporate the considered judgments of many individuals highly trained in a variety of complex biological, chemical, food technological, medical, pharmacological, and toxicologial disciplines.
