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Author: E. D. Ongley
Publisher: Food & Agriculture Org.
ISBN: 9789251038758
Category : Business & Economics
Languages : en
Pages : 114
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Book Description
Agricultural operations can contribute to water quality deterioration through the release of several materials into water: sediments, pesticides, animal manures, fertilizers and other sources of inorganic and organic matter. This ''guidelines'' document on control and management of agricultural water pollution has the objectives of delineating the nature and consequences of agricultural impacts on water quality, and of providing a framework for practical measures to be undertaken by relevant professionals and decision-makers to control water pollution.
Author: E. D. Ongley
Publisher: Food & Agriculture Org.
ISBN: 9789251038758
Category : Business & Economics
Languages : en
Pages : 114
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Book Description
Agricultural operations can contribute to water quality deterioration through the release of several materials into water: sediments, pesticides, animal manures, fertilizers and other sources of inorganic and organic matter. This ''guidelines'' document on control and management of agricultural water pollution has the objectives of delineating the nature and consequences of agricultural impacts on water quality, and of providing a framework for practical measures to be undertaken by relevant professionals and decision-makers to control water pollution.
Author: National Fertilizer Development Center (U.S.)
Publisher:
ISBN:
Category : Fertilizers
Languages : en
Pages : 116
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Book Description
Author: William L. Hall
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 304
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Book Description
Fertilizers contribute to the variety, abundance, and low cost of food stuffs available to the public. However, fertilizer misuse can lower air, soil, and water quality. Regulators are scrutinizing fertilizers now more than ever because of their impact on the environment. This book provides an analysis of perchlorate in highly dissolved solid matrices and health issues of trace metals in fertilizers. This book focuses on nutrient impacts to water and the environment. Contributors include state and federal regulators, industry professionals, environmental consultants, and those in academia.
Author: G. Stanford
Publisher: Forgotten Books
ISBN: 9780364982808
Category : Business & Economics
Languages : en
Pages : 30
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Book Description
Excerpt from Fertilizer Use and Water Quality This publication evaluates the role of nitrogen and phosphorus fertilizers in water pollution and summarizes the research on the complex relations between nutrient inputs and outputs. Available data do not often permit making valid estimates of nutrient transfer from fertilizers to ground and surface waters. A reliable basis for evaluating the effects of fertilizers on water quality requires quantitative measurements of water inputs and behavior in agricultural watershed studies that encompass appropriate ranges in climatic and management conditions. When virgin soils in the United States were first cultivated, many were rich in organic matter and plant nutrients. These soils provided far more nitrogen than the crops could use, and losses by leaching to water bodies or by denitrification to the atmosphere were large. As a result of cultivation, these natural supplies gradually diminished. By 1969, the use of almost 7 million tons of fertilizer nitrogen a year, as well as improved land use and management practices, was still not enough to compensate for the large yearly drop in the capacity of the soil to supply nitrogen. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: F.B Lewu
Publisher: Academic Press
ISBN: 0128226145
Category : Technology & Engineering
Languages : en
Pages : 266
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Book Description
Controlled Release Fertilizers for Sustainable Agriculture provides a comprehensive examination of precision fertilizer applications using the 4-R approach—the right amount of fertilizer at the right time to the right plant at the correct stage of plant growth. This volume consolidates detailed information on each aspect of controlled release fertilizers, including up-to-date literature citations, the current market for controlled release fertilizers and patents. Presenting the tremendous advances in experimental and theoretical studies on sustainable agriculture and related areas, this book provides in-depth insight into state-of-the-art controlled release mechanisms of fertilizers, techniques, and their use in sustainable agriculture. Conventional release mechanisms have historically meant waste of fertilizers and the adverse effects of that waste on the environment. Controlled release delivery makes significant strides in enhancing fertilizer benefit to the target plant, while protecting the surrounding environment and increasing sustainability. Presents cutting-edge interdisciplinary insights specifically focused on the controlled release of fertilizers Explores the benefits and challenges of 4-R fertilizer use Includes expertise from leading researchers in the fields of agriculture, polymer science, and nanotechnology working in industry, academics, government, and private research institutions across the globe Presents the tremendous advances in experimental and theoretical studies on sustainable agriculture and related areas
Author: K. R. Karanth
Publisher: Tata McGraw-Hill Education
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 740
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Book Description
A comprehensive, self-sufficient and up-to-date text providing complete information on various aspects of groundwater assessment, development and management. It gives a balanced presentation of theory and field practice using a multidisciplinary approach to aid in solving problems from a variety of data bases. The coverage in this book includes: Aquifer tests and evaluation of aquifer properties Stream gauging and measurement of discharge and stage of wells Ground water exploration Geomorphic and geologic control on ground water Estimation of individual components of ground water recharge, discharge and ground water balance Ground water development and management. The book contains a large number of figures, examples of complex interpretative techniques and methodologies, case histories, and problems along with answers. With its integrated, multidisciplinary approach, the book would serve as a valuable reference book to hydrogeologists, geologists, geophysicists, hydrologists, hydrometerologists, and irrigation, agricultural and drilling engineers, as well as those concerned with planning and decision making. Researchers and students would also find this an indispensable text.
Author: Edwin D. Ongley
Publisher: Daya Books
ISBN: 9788170353973
Category : Agricultural pollution
Languages : en
Pages : 120
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Book Description
Agricultural operations can contribute to water quality deterioration through the release of several materials into water: sediments, pesticides, animal manure, fertilizers and other sources of inorganic and organic matter. This guidelines document on control and management of agricultural water pollution aims to delineate the nature and consequences of agricultural impacts on water quality, and to provide a framework for practical measures to be undertaken by relevant professionals and decision-makers to control water pollution. Contents Chapter 1: Introduction to Agricultural Water Pollution; Water quality as a global issue, Non-point source pollution defined, Classes of non-point sources, Scope of the problem, Agricultural impacts on water quality, Types of impacts, Irrigation impacts on surface water quality, Public health impacts, Data on agricultural water pollution in developing countries, Types of decisions in agriculture for non-point source pollution control, The data problem; Chapter 2: Pollution by Sediments; Sediment as a physical pollutant, Sediment as a chemical pollutant, Key processes: precipitation and runoff, Key concepts, Sediment delivery ratio, Sediment enrichment ratio, Measurement and prediction of sediment loss, Prediction models, Sediment yield, Scale problems, Recommendations; Chapter 3: Fertilizers as Water Pollutants; Eutrophication of surface water, Role of agriculture in eutrophication, Organic fertilizers, Environmental chemistry, The point versus non-point source dilemma, Management of water quality impacts from fertilizers, Mineral fertilizers, Organic fertilizers, Sludge management, Economics of control of fertilizer runoff, Aquaculture, Problems of restoration of eutrophic lakes; Chapter 4: Pesticides as Water pollutants; Historical development of pesticides, North-south dilemma over pesticide economics, Fate and effects of pesticides, Factors affecting pesticide toxicity in aquatic systems, Human health effects of pesticides, Ecological effects of pesticides, Natural factors that degrade pesticides, Pesticide monitoring in surface water, Pesticide management and control, The european experience, Pesticide registration, The danish example, Pesticides and water quality in the developing countries; Chapter 5: Summary and Recommendations; Necessity to internalize costs at the farm level, Integrated national water quality management, Assessment methodology, Environmental capacity, The data problem in water quality, Water quality indices for application to agricultural water quality issues, Economic analysis of cost of water pollution attributed to agriculture, Information technology and decision making, Use of water quality objectives, FAO and the POPs agenda, Pesticides in developing countries.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309069483
Category : Science
Languages : en
Pages : 422
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Book Description
Environmental problems in coastal ecosystems can sometimes be attributed to excess nutrients flowing from upstream watersheds into estuarine settings. This nutrient over-enrichment can result in toxic algal blooms, shellfish poisoning, coral reef destruction, and other harmful outcomes. All U.S. coasts show signs of nutrient over-enrichment, and scientists predict worsening problems in the years ahead. Clean Coastal Waters explains technical aspects of nutrient over-enrichment and proposes both immediate local action by coastal managers and a longer-term national strategy incorporating policy design, classification of affected sites, law and regulation, coordination, and communication. Highlighting the Gulf of Mexico's "Dead Zone," the Pfiesteria outbreak in a tributary of Chesapeake Bay, and other cases, the book explains how nutrients work in the environment, why nitrogen is important, how enrichment turns into over-enrichment, and why some environments are especially susceptible. Economic as well as ecological impacts are examined. In addressing abatement strategies, the committee discusses the importance of monitoring sites, developing useful models of over-enrichment, and setting water quality goals. The book also reviews voluntary programs, mandatory controls, tax incentives, and other policy options for reducing the flow of nutrients from agricultural operations and other sources.
Author: M. Naeem
Publisher: Springer Nature
ISBN: 303041552X
Category : Technology & Engineering
Languages : en
Pages : 443
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Book Description
This comprehensive volume covers recent studies into agricultural problems caused by soil and water contamination. Considering the importance of agricultural crops to human health, the editors have focused on chapters detailing the negative impact of heavy metals, excessive chemical fertilizer use, nutrients, pesticides, herbicides, insecticides, agricultural wastes and toxic pollutants, among others, on agricultural soil and crops. In addition, the chapters offer solutions to these negative impacts through various scientific approaches, including using biotechnology, nanotechnology, nutrient management strategies, biofertilizers, as well as potent PGRs and elicitors. This book serves as a key source of information on scientific and engineered approaches and challenges for the bioremediation of agricultural contamination worldwide. This book should be helpful for research students, teachers, agriculturalists, agronomists, botanists, and plant growers, as well as in the fields of agriculture, agronomy, plant science, plant biology, and biotechnology, among others. It serves as an excellent reference on the current research and future directions of contaminants in agriculture from laboratory research to field application.
Author: United States. Agricultural Research Service
Publisher:
ISBN:
Category : Agricultural ecology
Languages : en
Pages : 216
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Book Description