Tools to Advance Row Crop Best Management Practice (BMP) Implementation in Florida's Lower Suwannee River Basin PDF Download
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Author: Rotem Shahar
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
ABSTRACT: Water resources in Florida's Lower Suwannee River Basin (LSRB) must be protected from excessive consumption and nitrate contamination to preserve the unique springs habitat. Thus, agricultural producers must make more efficient use of irrigation water and N fertilizer. New tools are available to help better manage these resources. This project tested a chlorophyll meter on corn (Zea mays L.) because many producers apply N at rates greater than the UF-IFAS recommendation, and tested soil moisture sensors on peanut (Arachis hypogaea) because producers have reported large discrepancies in efficacy of peanut irrigation that have been traced to irrigation scheduling. Silage corn and no-till peanut were grown for two seasons under center pivot irrigation at the North Florida Research and Education Center-Suwannee Valley in Live Oak, FL. In 2007, the corn field was divided into 20 plots that received five replications of four N fertilizer rate treatments (168, 235, 280, and 325 kg/ha). In 2008, N rates of 67, 134, 202, 269, and 302 kg/ha were replicated five times. There were also non-irrigated corn plots that received the four lowest N rates in 2008. Irrigated corn silage yield reached 90% of absolute maximum around 200 kg N/ha in 2007 and around 150 kg N/ha in 2008. Non-irrigated corn yielded less than half of irrigated corn.
Author: Rotem Shahar
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
ABSTRACT: Water resources in Florida's Lower Suwannee River Basin (LSRB) must be protected from excessive consumption and nitrate contamination to preserve the unique springs habitat. Thus, agricultural producers must make more efficient use of irrigation water and N fertilizer. New tools are available to help better manage these resources. This project tested a chlorophyll meter on corn (Zea mays L.) because many producers apply N at rates greater than the UF-IFAS recommendation, and tested soil moisture sensors on peanut (Arachis hypogaea) because producers have reported large discrepancies in efficacy of peanut irrigation that have been traced to irrigation scheduling. Silage corn and no-till peanut were grown for two seasons under center pivot irrigation at the North Florida Research and Education Center-Suwannee Valley in Live Oak, FL. In 2007, the corn field was divided into 20 plots that received five replications of four N fertilizer rate treatments (168, 235, 280, and 325 kg/ha). In 2008, N rates of 67, 134, 202, 269, and 302 kg/ha were replicated five times. There were also non-irrigated corn plots that received the four lowest N rates in 2008. Irrigated corn silage yield reached 90% of absolute maximum around 200 kg N/ha in 2007 and around 150 kg N/ha in 2008. Non-irrigated corn yielded less than half of irrigated corn.
Author: Cara Anne Mathers
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309210828
Category : Political Science
Languages : en
Pages : 258
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Book Description
The Chesapeake Bay is North America's largest and most biologically diverse estuary, as well as an important commercial and recreational resource. However, excessive amounts of nitrogen, phosphorus, and sediment from human activities and land development have disrupted the ecosystem, causing harmful algae blooms, degraded habitats, and diminished populations of many species of fish and shellfish. In 1983, the Chesapeake Bay Program (CBP) was established, based on a cooperative partnership among the U.S. Environmental Protection Agency (EPA), the state of Maryland, and the commonwealths of Pennsylvania and Virginia, and the District of Columbia, to address the extent, complexity, and sources of pollutants entering the Bay. In 2008, the CBP launched a series of initiatives to increase the transparency of the program and heighten its accountability and in 2009 an executive order injected new energy into the restoration. In addition, as part of the effect to improve the pace of progress and increase accountability in the Bay restoration, a two-year milestone strategy was introduced aimed at reducing overall pollution in the Bay by focusing on incremental, short-term commitments from each of the Bay jurisdictions. The National Research Council (NRC) established the Committee on the Evaluation of Chesapeake Bay Program Implementation for Nutrient Reduction in Improve Water Quality in 2009 in response to a request from the EPA. The committee was charged to assess the framework used by the states and the CBP for tracking nutrient and sediment control practices that are implemented in the Chesapeake Bay watershed and to evaluate the two-year milestone strategy. The committee was also to assess existing adaptive management strategies and to recommend improvements that could help CBP to meet its nutrient and sediment reduction goals. The committee did not attempt to identify every possible strategy that could be implemented but instead focused on approaches that are not being implemented to their full potential or that may have substantial, unrealized potential in the Bay watershed. Because many of these strategies have policy or societal implications that could not be fully evaluated by the committee, the strategies are not prioritized but are offered to encourage further consideration and exploration among the CBP partners and stakeholders.
Author: National Research Council
Publisher: National Academies Press
ISBN: 0309254930
Category : Nature
Languages : en
Pages : 142
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Book Description
The Environmental Protection Agency's estimate of the costs associated with implementing numeric nutrient criteria in Florida's waterways was significantly lower than many stakeholders expected. This discrepancy was due, in part, to the fact that the Environmental Protection Agency's analysis considered only the incremental cost of reducing nutrients in waters it considered "newly impaired" as a result of the new criteria-not the total cost of improving water quality in Florida. The incremental approach is appropriate for this type of assessment, but the Environmental Protection Agency's cost analysis would have been more accurate if it better described the differences between the new numeric criteria rule and the narrative rule it would replace, and how the differences affect the costs of implementing nutrient reductions over time, instead of at a fixed time point. Such an analysis would have more accurately described which pollutant sources, for example municipal wastewater treatment plants or agricultural operations, would bear the costs over time under the different rules and would have better illuminated the uncertainties in making such cost estimates.
Author: Craig S. Tucker
Publisher: John Wiley & Sons
ISBN: 0813802784
Category : Technology & Engineering
Languages : en
Pages : 607
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Book Description
Published in Cooperation with THE UNITED STATES AQUACULTURE SOCIETY The rapid growth of aquaculture worldwide and domestically has caused concerns over social and environmental impacts. Environmental advocacy groups and government regulatory agencies have called for better management to address potentially negative impacts and assure sustainable aquaculture development. Best Management Practices (BMPs) combine sound science, common sense, economics, and site-specific management to mitigate or prevent adverse environmental impacts. Environmental Best Management Practices for Aquaculture will provide technical guidance to improve the environmental performance of aquaculture. This book will be the only comprehensive guide to BMPs for mitigation of environmental impacts of aquaculture in the United States. The book addresses development and implementation of BMPs, BMPs for specific aquaculture production systems, and the economics of implementing best management practices. Written by internationally recognized experts in environmental management and aquaculture from academia, government, and non-governmental organizations, this book will be a valuable reference for innovative producers, policy makers, regulators, research scientists, and students.
Author: Paul A. Sabatier
Publisher: MIT Press
ISBN: 9780262264754
Category : Political Science
Languages : en
Pages : 348
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Book Description
In recent years, water resource management in the United States has begun a shift away from top-down, government agency-directed decision processes toward a collaborative approach of negotiation and problem solving. Rather than focusing on specific pollution sources or specific areas within a watershed, this new process considers the watershed as a whole, seeking solutions to an interrelated set of social, economic, and environmental problems. Decision making involves face-to-face negotiations among a variety of stakeholders, including federal, state, and local agencies, landowners, environmentalists, industries, and researchers. Swimming Upstream analyzes the collaborative approach by providing a historical overview of watershed management in the United States and a normative and empirical conceptual framework for understanding and evaluating the process. The bulk of the book looks at a variety of collaborative watershed planning projects across the country. It first examines the applications of relatively short-term collaborative strategies in Oklahoma and Texas, exploring issues of trust and legitimacy. It then analyzes factors affecting the success of relatively long-term collaborative partnerships in the National Estuary Program and in 76 watersheds in Washington and California. Bringing analytical rigor to a field that has been dominated by practitioners' descriptive accounts, Swimming Upstream makes a vital contribution to public policy, public administration, and environmental management.
Author: George Veni
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 78
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Book Description
"Nearly 25% of the world's population lives in karst areas -- landscapes that are characterized by sinkholes, caves, and underground drainage. Living with Karst, the 4th booklet in the AGI Environmental Awareness Series, vividly illustrates what karst is and why these resource-rich areas are important. The booklet also discusses karst-related environmental and engineering concerns, guidelines for living with karst, and sources of additional information."--Provided by publisher.
Author: Paul Cawood Hellmund
Publisher: Island Press
ISBN: 1597265950
Category : Architecture
Languages : en
Pages : 285
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Book Description
How are greenways designed? What situations lead to their genesis, and what examples best illustrate their potential for enhancing communities and the environment? Designing greenways is a key to protecting landscapes, allowing wildlife to move freely, and finding appropriate ways to bring people into nature. This book brings together examples from ecology, conservation biology, aquatic ecology, and recreation design to illustrate how greenways function and add value to ecosystems and human communities alike. Encompassing everything from urban trail corridors to river floodplains to wilderness-like linkages, greenways preserve or improve the integrity of the landscape, not only by stemming the loss of natural features, but also by engendering new natural and social functions. From 19th-century parks and parkways to projects still on the drawing boards, Designing Greenways is a fascinating introduction to the possibilities-and pitfalls-involved in these ambitious projects. As towns and cities look to greenways as a new way of reconciling man and nature, designers and planners will look to Designing Greenways as an invaluable compendium of best practices.
Author: Ivan A. Cooper
Publisher:
ISBN:
Category : Sewage disposal
Languages : en
Pages : 48
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Book Description
Author: Laurie Elizabeth Trenholm
Publisher:
ISBN: 9780813028026
Category : Gardening
Languages : en
Pages : 172
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Book Description
Everything you need to know to keep your lawn looking its best! Written in practical language by turfgrass experts, this new edition is completely up-to-date with the most recent lawn management information. Color plates identify various grass types, weeds, diseases, and insects—including those that are good for your lawn. Chapters cover selection, adaptability, establishment, and mainÂtenance for each type of lawn; soil analysis and fertilization; yearly calendars for lawn care and culture; mowing, watering, and calibrating sprinkler systems and fertilizer spreaders; overseeding for winter color; preparing a lawn for drought and low temperatures; weed and thatch control; safe pesticide application and use; integrated pest management strategies; and complete, illustrated diagnostic information for weeds, diseases, insect problems, nematodes, and other pests.
