Environmental fate of two herbicides in soils PDF Download
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Author: Amrith S. Gunasekara
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Amrith S. Gunasekara
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Amrith S. Gunasekara
Publisher:
ISBN:
Category :
Languages : en
Pages : 194
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Book Description
Author: Christopher Hardy Tingle
Publisher:
ISBN:
Category : Flumetsulam
Languages : en
Pages : 96
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Book Description
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
Author: Boyce Thompson Institute for Plant Research
Publisher:
ISBN:
Category : Herbicides
Languages : en
Pages : 92
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Book Description
The introduction of microorganisms with specific degradative capacities into the soil was shown to be a possible means of ridding the soil of contaminating chemicals. An investigation of the interactions of soil microorganisms and several groups of herbicidal compounds, primarily chlorinated derivatives, was made. In pure culture and in soils the addition of 2,3,5,6-tetrachloroterephthalate (DCPA) had little effect upon bacterial growth, and several microorganisms appeared to use the herbicide as a carbon source. The encouragement of the soil microflora by the addition of nutrient broths resulted in a reduction of toxicity to plants of a number of herbicides. Isopropyl N-phenylcarbamate (IPC) degrading organisms, when added to soil, accelerated the degradation of IPC and related compounds. A membrane 'biologicalilter' device for reducing waterborne biodegradable pollutants was also demonstrated using these organisms.
Author: Carlos Garcia
Publisher: Academic Press
ISBN: 0128116889
Category : Science
Languages : en
Pages : 290
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Book Description
The Future of Soil Carbon: Its Conservation and Formation provides readers with an integrative approach to understanding the important role of organic carbon in soil functioning and fertility. Terrestrial interactions between SOC and complex human-natural systems require new fundamental and applied research into regional and global SOC budgets. This book provides new and synthesized information on the dynamics of SOC in the terrestrial environment. In addition to rigorous state-of-the art on soil science, the book also provides strategies to avoid risks of soil carbon losses. Soil organic carbon (SOC) is a vital component of soils, with important and far-reaching effects on the functioning of terrestrial ecosystems. Human activities over the last several decades have significantly changed the regional and global balance of SOC, greatly exacerbating global warming and climate change. - Provides a holistic overview of soil carbon status and main threats for its conservation - Offers innovative solutions to conserve soil carbon - Includes in-depth treatment of regional and global changes in soil organic carbon budget
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.
Author: Md. Fazle Rabbi
Publisher:
ISBN:
Category : Soils
Languages : en
Pages : 358
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Book Description
Author: R. J. Hance
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 374
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Book Description
Sommari in inglese, francese e tedesco.
Author: Mohammadkazem Ramezani
Publisher:
ISBN:
Category : Enantiomers
Languages : en
Pages : 354
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Book Description
"Imidazolinones represent a new class of herbicides with low mammalian toxicity that can be used at low application rates, either pre- or post-emergence for the control of a wide range of weeds in broadleaf and cereal crops, and non-crop situations. This study was undertaken to determine the behaviour of three imidazolinone herbicides in solution and Australian soils including enantioselectivity in the degradation of these herbicides in Australian soils. Analytical method for these herbicides needed to be developed/improved to cater for specific experimental conditions for this study, namely the matrices containing higher levels of organic carbon and to analyse the two enantiomers of these herbicides. The abiotic degradation of the imidazolinone herbicides imazapyr, imazethapyr and imazaquin was investigated under controlled laboratory conditions. In conclusion, photodegradation of imidazolinone herbicides was found to have a major impact on the behaviour of these herbicides in aqueous and soil matrices. The degradation of imidazolinone herbicides in the soil was enantioselective, however, the enantioselectivity tended to be compound-specific and was related to soil types. The findings of this study are expected to be useful for the manufacturers to decrease the amount of chemical load in the environment." -- from Abstract.
