Environmental Chemistry of Herbicides

Environmental Chemistry of Herbicides PDF Author: Raj Grover
Publisher: CRC Press
ISBN: 9780849343773
Category : Science
Languages : en
Pages : 320

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Book Description
This publication is rare among those texts on pesticides in that it covers herbicides exclusively. It presents, in one source, information that is typically scattered. This important publication enables the reader to recommend herbicide use more reliably and efficiently. It also highlights environmental issues relevant to herbicide use in agriculture. The book outlines potential areas of further research. This title is of particular value to weed scientists, environmental chemists and engineers, soil scientists, and those responsible for recommending and/or regulating use of herbicides in agriculture. Focuses On: ? Increasing efficiency of herbicides in agriculture ? Decreasing environmental contamination with herbicides ? Dissipation and transformations in water and sediment ? Nature, transport, and fate of airborne residues ? Absorption and transport in plants ? Transformations in biosphere ? Bioaccumulation and food chain accumulation ? Photochemical transformations ? Bound residues ? Predictability and environmental chemistry

Environmental Chemistry of Herbicides

Environmental Chemistry of Herbicides PDF Author: Raj Grover
Publisher: CRC Press
ISBN: 9780849343773
Category : Science
Languages : en
Pages : 320

Get Book Here

Book Description
This publication is rare among those texts on pesticides in that it covers herbicides exclusively. It presents, in one source, information that is typically scattered. This important publication enables the reader to recommend herbicide use more reliably and efficiently. It also highlights environmental issues relevant to herbicide use in agriculture. The book outlines potential areas of further research. This title is of particular value to weed scientists, environmental chemists and engineers, soil scientists, and those responsible for recommending and/or regulating use of herbicides in agriculture. Focuses On: ? Increasing efficiency of herbicides in agriculture ? Decreasing environmental contamination with herbicides ? Dissipation and transformations in water and sediment ? Nature, transport, and fate of airborne residues ? Absorption and transport in plants ? Transformations in biosphere ? Bioaccumulation and food chain accumulation ? Photochemical transformations ? Bound residues ? Predictability and environmental chemistry

Environmental Chemistry of Herbicides

Environmental Chemistry of Herbicides PDF Author: Raj Grover
Publisher: CRC Press
ISBN: 9780849343766
Category : Science
Languages : en
Pages : 220

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Book Description
This reference book deals with the physico-chemical principles and processes controlling the behavior of herbicides in the soil environ-ment and gives a concise, critical account of techniques associ-ated with each subject matter. It summarizes and tabulates data on herbicides by class or group and provides predictive modeling of their behavior with validation of the models from field data. The in-formation makes the reader fully aware of environmental issues rel-evant to herbicide use in agriculture, and allows more reliable and efficient recommendation of herbicide uses. Summaries and con-clusions suggesting gaps in information and potential areas of fu-ture research are also featured. The text is designed for weed sci-entists, environmental chemists and engineers, soil scientists, and those who are responsible for recommending as well as regulating the use of herbicides in agriculture. Soil Aspects Covered Include: ? Adsorption and bioavailability ? Diffusion and mass flow ? Transport in surface run-off ? Evaporation ? Dissipation ? Transformations

Environmental Chemistry of Herbicides

Environmental Chemistry of Herbicides PDF Author: Raj Grover
Publisher:
ISBN:
Category : Environmental chemistry
Languages : en
Pages : 302

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Book Description


Herbicide Report

Herbicide Report PDF Author: United States. Environmental Protection Agency. Hazardous Materials Advisory Committee
Publisher:
ISBN:
Category : Herbicides
Languages : en
Pages : 212

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Book Description


Herbicides

Herbicides PDF Author:
Publisher: Elsevier
ISBN: 0128236752
Category : Science
Languages : en
Pages : 368

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Book Description
Herbicides: Chemistry, Efficacy, Toxicology, and Environmental Impacts addresses contemporary debates on herbicide toxicology. The reader is offered a comprehensive overview of this complex topic, presented by internationally recognized experts. Information presented will inform discussions on the use of herbicides in modern agricultural and other systems, and their potential non-target effects on human populations and various ecosystems. The book covers these matters in concise language appropriate to engage both specialists in the research community and informed persons responsible for legislative, funding, and public health matters in the community at large. The use of herbicides is an essential pillar of modern agricultural production systems. Weeds, if uncontrolled, would reduce crop yield and result in massive economic damage. Recently, the heavy reliance on single herbicides has been linked to the development of weed resistance. To combat resistant weeds, farmers are advised to use a mix of several herbicides and to increase herbicide application rates. As a result, the toxicity of herbicides on human health and the environment has become a controversial topic. Offers a comprehensive overview of herbicide science in modern agricultural systems Addresses the complex problems that can arise from herbicide use and misuse, including weed resistance, pollution, and human health issues Uses recent examples to demonstrate the topical nature of this issue

Herbicide Residue Research in India

Herbicide Residue Research in India PDF Author: Shobha Sondhia
Publisher: Springer
ISBN: 9811310386
Category : Technology & Engineering
Languages : en
Pages : 465

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Book Description
Herbicides constitute about 60% of the total pesticides consumed globally. In India, the use of herbicides started initially in tea gardens and picked up in the 1970s, when the high-yielding varieties of rice and wheat were introduced. Presently, 67 herbicides are registered in the country for controlling weeds in crops including cereals, pulses, oilseeds, fibre and tuber crops, and also in the non-crop situations. These chemicals are becoming increasingly popular because of their efficiency and relatively low cost compared with manual or mechanical weeding operations. The contribution of herbicide to total pesticide use, which was only 10-15% during the first decade of the 21st century, has now increased to about 25% with an annual growth rate of 15-20%, which is much higher than insecticides and fungicides. Though the application of herbicides is minimizing yield loss to a great extent, their residues in the food chain and surface and groundwater create some environmental nuisance particularly to non-target organisms. Research on pesticide residues in India was started during 1970s, when such chemicals were introduced on a greater scale along with high-yielding variety seeds, irrigation and chemical fertilizers for increasing food production. However, the herbicide residue research was not given much emphasis until 1990s. The Indian Council of Agricultural Research initiated a national level programme known as All India Coordinated Research Project on Weed Management through the NRC-Weed Science as the main centre along with some centers of ICAR Institutes and state agricultural universities. Over the last two decades, adequate information was generated on estimation, degradation and mitigation of herbicide residues, which were documented in annual reports, bulletins, monographs and scientific articles. However, there was no consolidated compilation of all the available information providing a critical analysis of herbicide residues. Accordingly, an effort has been made in the publication to compile the available information on herbicide residues in India. This is the first report of its kind which presents the findings of herbicide residues and their interactions in the biotic and abiotic environment. There are 16 chapters contributed by the leading herbicide residue scientists, each describing the present status of herbicide use, crops and cropping systems, monitoring, degradation and mitigation, followed by conclusions and future lines of work. This book will be useful to the weed scientists in general and herbicide residue chemists in particular, besides the policy makers, students and all those concerned with the agricultural production in the country.

Herbicides

Herbicides PDF Author: Ruben Alvarez-Fernandez
Publisher: BoD – Books on Demand
ISBN: 9533078928
Category : Technology & Engineering
Languages : en
Pages : 263

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Book Description
Weeds severely affect crop quality and yield. Therefore, successful farming relies on their control by coordinated management approaches. Among these, chemical herbicides are of key importance. Their development and commercialization began in the 1940's and they allowed for a qualitative increase in crop yield and quality when it was most needed. This book blends review chapters with scientific studies, creating an overview of some the current trends in the field of herbicides. Included are environmental studies on their toxicity and impact on natural populations, methods to reduce herbicide inputs and therefore overall non-target toxicity, and the use of bioherbicides as natural alternatives.

Chemicals in the Environment

Chemicals in the Environment PDF Author: Y. Mido
Publisher: Discovery Publishing House
ISBN: 9788171412679
Category : Environmental chemistry
Languages : en
Pages : 204

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Book Description
The teaching of Chemistry at the introductory stage becomes each day a more challenging task as the subject matter becomes more diverse and more complex. These challenges have evoked a series of responses the present set of introductory chemistry monographs is one such. The teaching of chemistry recognises a number of problems, that confront those who select text books. In order to overcome these problems, this volume Chemicals in the Environment one of about fifty in the Chemistry Monograph Series is introduced. Each volume is independent of the others deals with one of Chemistry topics and constitutes a complete entity. Each volume is more comprehensive than can be possible in a single volume text. It is intended to provide a range, of topics to cover most undergraduate and chemistry main courses of study. These volumes can be used to enrich the more conventional courses of study.

Pesticides in the Soil Environment

Pesticides in the Soil Environment PDF Author: Shahamat U. Khan
Publisher: Elsevier
ISBN: 1483257061
Category : Science
Languages : en
Pages : 249

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Book Description
Fundamental Aspects of Pollution Control and Environmental Science, 5: Pesticides in the Soil Environment focuses on the effects of pesticide use on the quality of soil. The manuscript first offers information on the classification of pesticides and physicochemical processes affecting pesticides in soil. Topics include herbicides, fungicides, movement in soil, chemical conversion and degradation, and photodecomposition. The text then elaborates on microbial processes affecting pesticides in soil, including fumigants, fungicides, and insecticides. The text examines the occurrence and persistence of pesticide residues in soil and minimizing pesticide residues in soil. Discussions focus on persistence, bound residues, plant uptake, short residual residues, and eliminating pesticide residues. The text is a dependable reference for readers interested in the effects of pesticide use on the quality of soil.

Principles of Environmental Chemistry

Principles of Environmental Chemistry PDF Author: James Girard
Publisher: Jones & Bartlett Learning
ISBN: 0763759392
Category : Science
Languages : en
Pages : 715

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Book Description
Planet Earth : rocks, life, and history -- The Earth's atmosphere -- Global warming and climate change -- Chemistry of the troposphere -- Chemistry of the stratosphere -- Analysis of air and air pollutants -- Water resources -- Water pollution and water treatment -- Analysis of water and wastewater -- Fossil fuels : our major source of energy -- Nuclear power -- Energy sources for the future -- Inorganic metals in the environment -- Organic chemicals in the environment -- Insecticides, herbicides, and insect control -- Toxicology -- Asbestos -- The disposal of dangerous wastes.