Pesticides in the Soil Environment

Pesticides in the Soil Environment PDF Author: Hwei-Hsien Cheng
Publisher:
ISBN: 9780891187912
Category : Pesticides
Languages : en
Pages : 0

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Book Description
Pesticides in the soil environment - an overview. Pesticide sources to the soil and principles of spray physics. The retention processes: mechanisms. Sorption estimates for modeling. Abiotic transformations in water, sediments, and soil. Biological transformation processes of pesticides. Volatilization and vapor transport processes. Organic chemical transport to Groundwater. Movement of pesticides into surface waters. Modeling pesticide fate in soils. Efficacy of soil-applied pesticides. Impact of pesticides on the environment. Risk/benefit and regulations. Chemical index.

Pesticides in the Soil Environment

Pesticides in the Soil Environment PDF Author: Hwei-Hsien Cheng
Publisher:
ISBN: 9780891187912
Category : Pesticides
Languages : en
Pages : 0

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Book Description
Pesticides in the soil environment - an overview. Pesticide sources to the soil and principles of spray physics. The retention processes: mechanisms. Sorption estimates for modeling. Abiotic transformations in water, sediments, and soil. Biological transformation processes of pesticides. Volatilization and vapor transport processes. Organic chemical transport to Groundwater. Movement of pesticides into surface waters. Modeling pesticide fate in soils. Efficacy of soil-applied pesticides. Impact of pesticides on the environment. Risk/benefit and regulations. Chemical index.

Pesticides in Agriculture and the Environment

Pesticides in Agriculture and the Environment PDF Author: Willis B. Wheeler
Publisher: CRC Press
ISBN: 9780203909430
Category : Nature
Languages : en
Pages : 352

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Book Description
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.

New Pesticides and Soil Sensors

New Pesticides and Soil Sensors PDF Author: Alexandru Grumezescu
Publisher: Academic Press
ISBN: 0128042990
Category : Science
Languages : en
Pages : 0

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Book Description
New Pesticides and Soil Sensors, a volume in the Nanotechnology in the Agri-Food Industry series, is a practical resource that demonstrates how nanotechnology is a highly attractive tool that offers new options for the formulation of ‘nanopesticides’. Recent advances in nanopesticide research is reviewed and divided into several themes, including improvement of the water solubility of poorly soluble pesticide active ingredients to improve bioavailability and the encapsulation of pesticide active ingredients within permeable nanoparticles with the aim of releasing pesticide active ingredients in a controlled or targeted manner, while also protecting active ingredients from premature photo-degradation. Provides examples of pesticide formulations that contain inorganic and organic nanoparticles Includes general principles and the most recent applications of chemical sensors and multisensory systems for the assessment of soils and main soil nutrition component detection Presents the main benefits and drawbacks of chemical sensors and their employment in soil analysis for further applications Describes current issues of pesticide use, environmental contamination, bioaccumulation, and increases in pest resistance which demands a reduction in the quantity of pesticides applied for crop and stored product protection

Bioremediation of Agricultural Soils

Bioremediation of Agricultural Soils PDF Author: Juan C. Sanchez-Hernandez
Publisher: CRC Press
ISBN: 135179311X
Category : Science
Languages : en
Pages : 296

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Book Description
The quality of agricultural soils are always under threat from chemical contaminants, which ultimately affect the productivity and safety of crops. Besides agrochemicals, a new generation of substances invades the soil through irrigation with reclaimed wastewater and pollutants of organic origin such as sewage sludge or cattle manure. Emerging pollutants such as pharmaceuticals, nanomaterials and microplastics are now present in agricultural soils, but the understanding of their impact on soil quality is still limited. With focus on in situ bioremediation, this book provides an exhaustive analysis of the current biological methodologies for recovering polluted agricultural soils as well as monitoring the effectiveness of bioremediation.

Soil Components and Human Health

Soil Components and Human Health PDF Author: Rolf Nieder
Publisher: Springer
ISBN: 9402412220
Category : Science
Languages : en
Pages : 907

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Book Description
This volume highlights important links existing between soils and human health which up to now are not fully realized by the public. Soil materials may have deleterious, beneficial or no impacts on human health; therefore, understanding the complex relationships between diverse soil materials and human health will encourage creative cooperation between soil and environmental sciences and medicine. The topics covered in this book will be of immense value to a wide range of readers, including soil scientists, medical scientists and practitioners, nursing scientists and staff, toxicologists, ecologists, agronomists, geologists, geochemists, public health professionals, planners and several others.

Soil and Water Quality

Soil and Water Quality PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309049334
Category : Technology & Engineering
Languages : en
Pages : 541

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Book Description
How can the United States meet demands for agricultural production while solving the broader range of environmental problems attributed to farming practices? National policymakers who try to answer this question confront difficult trade-offs. This book offers four specific strategies that can serve as the basis for a national policy to protect soil and water quality while maintaining U.S. agricultural productivity and competitiveness. Timely and comprehensive, the volume has important implications for the Clean Air Act and the 1995 farm bill. Advocating a systems approach, the committee recommends specific farm practices and new approaches to prevention of soil degradation and water pollution for environmental agencies. The volume details methods of evaluating soil management systems and offers a wealth of information on improved management of nitrogen, phosphorus, manure, pesticides, sediments, salt, and trace elements. Landscape analysis of nonpoint source pollution is also detailed. Drawing together research findings, survey results, and case examples, the volume will be of interest to federal, state, and local policymakers; state and local environmental and agricultural officials and other environmental and agricultural specialists; scientists involved in soil and water issues; researchers; and agricultural producers.

North American Agroforestry

North American Agroforestry PDF Author: Harold E. Gene Garrett
Publisher: John Wiley & Sons
ISBN: 0891183779
Category : Technology & Engineering
Languages : en
Pages : 580

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Book Description
North American Agroforestry Explore the many benefits of alternative land-use systems with this incisive resource Humanity has become a victim of its own success. While we’ve managed to meet the needs—to one extent or another—of a large portion of the human population, we’ve often done so by ignoring the health of the natural environment we rely on to sustain our planet. And by deteriorating the quality of our air, water, and land, we’ve put into motion consequences we’ll be dealing with for generations. In the newly revised Third Edition of North American Agroforestry, an expert team of researchers delivers an authoritative and insightful exploration of an alternative land-use system that exploits the positive interactions between trees and crops when they are grown together and bridges the gap between production agriculture and natural resource management. This latest edition includes new material on urban food forests, as well as the air and soil quality benefits of agroforestry, agroforestry’s relevance in the Mexican context, and agroforestry training and education. The book also offers: A thorough introduction to the development of agroforestry as an integrated land use management strategy Comprehensive explorations of agroforestry nomenclature, concepts, and practices, as well as an agroecological foundation for temperate agroforestry Practical discussions of tree-crop interactions in temperate agroforestry, including in systems such as windbreak practices, silvopasture practices, and alley cropping practices In-depth examinations of vegetative environmental buffers for air and water quality benefits, agroforestry for wildlife habitat, agroforestry at the landscape level, and the impact of agroforestry on soil health Perfect for environmental scientists, natural resource professionals and ecologists, North American Agroforestry will also earn a place in the libraries of students and scholars of agricultural sciences interested in the potential benefits of agroforestry.

The Future Role of Pesticides in US Agriculture

The Future Role of Pesticides in US Agriculture PDF Author: National Research Council
Publisher: National Academies Press
ISBN: 0309172942
Category : Technology & Engineering
Languages : en
Pages : 325

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Book Description
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.

Transport & Fate of Chemicals in Soils

Transport & Fate of Chemicals in Soils PDF Author: H. Magdi Selim
Publisher: CRC Press
ISBN: 146655794X
Category : Science
Languages : en
Pages : 356

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Book Description
During the last four decades, tremendous advances have been made towards the understanding of transport characteristics of contaminants in soils, solutes, and tracers in geological media. Transport & Fate of Chemicals in Soils: Principles & Applications offers a comprehensive treatment of the subject complete with supporting examples of mathematical models that describe contaminants reactivity and transport in soils and aquifers. This approach makes it a practical guide for designing experiments and collecting data that focus on characterizing retention as well as release kinetic reactions in soils and contaminant transport experiments in the laboratory, greenhouse), and in the field. The book provides the basic framework of the principals governing the sorption and transport of chemicalsin soils. It focuses on physical processes such as fractured media, multiregion, multiple porosities, and heterogeneity and effect of scale as well as chemical processes such as nonlinear kinetics, release and desorption hysteresis, multisite and multireaction reactions, and competitive-type reactions. The coverage also includes details of sorption behavior of chemicals with soil matrix surfaces as well the integration of sorption characteristics with mechanisms that govern solute transport in soils. The discussions of applications of the principles of sorption and transport are not restricted to contaminants, but also include nitrogen, phosphorus, and trace elements including essential micronutrients, heavy metals, military explosives, pesticides, and radionuclides. Written in a very clear and easy-to-follow language by a pioneer in soil science, this book details the basic framework of the physical and chemical processes governing the transport of contaminants, trace elements, and heavy metals in soils. Highly practical, it includes laboratory methods, examples, and empirical formulations. The approach taken by the author gives you not only the fundamentals of understanding of reactive chemicals retention and their transport in soils and aquifers, but practical guidance you can put to immediate use in designing experiments and collecting data.

International Code of Conduct on Pesticide Management

International Code of Conduct on Pesticide Management PDF Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9251091870
Category : Social Science
Languages : en
Pages : 37

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Book Description
The understanding that some pesticides are more hazardous than others is well established. Recognition of this is reflected by the World Health Organization (WHO) Recommended Classification of Pesticides by Hazard, which was first published in 1975. The document classifies pesticides in one of five hazard classes according to their acute toxicity. In 2002, the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) was introduced, which in addition to acute toxicity also provides classification of chemicals according to their chronic health hazards and environmental hazards.