Spatial Dynamics Of Water And Nitrogen Management In Irrigated Agriculture
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| Author | : Thomas P. Tomich |
| Publisher | : Univ of California Press |
| Total Pages | : 341 |
| Release | : 2016-06-14 |
| Genre | : Science |
| ISBN | : 0520962230 |
Nitrogen is indispensable to all life on Earth. However, humans now dominate the nitrogen cycle, and nitrogen emissions from human activity have real costs: water and air pollution, climate change, and detrimental effects on human health, biodiversity, and natural habitats. Too little nitrogen limits ecosystem processes, while too much nitrogen transforms ecosystems profoundly. The California Nitrogen Assessment is the first comprehensive account of nitrogen flows, practices, and policies for California, encompassing all nitrogen flows—not just those associated with agriculture—and their impacts on ecosystem services and human wellbeing. How California handles nitrogen issues will be of interest nationally and internationally, and the goal of the assessment is to link science with action and to produce information that affects both future policy and solutions for addressing nitrogen pollution. This book also provides a model for application of integrated ecosystem assessment methods at regional and state (subnational) levels.
| Author | : Bonnie G. Colby |
| Publisher | : Routledge |
| Total Pages | : 289 |
| Release | : 2012-06-25 |
| Genre | : Technology & Engineering |
| ISBN | : 1136521933 |
In America's arid southwest, climate change will occur in the context of already-keen competition for water for agriculture, urban growth, electricity generation, water-based recreation, and environmental protections. This book explores the challenges that climate change and variability pose for water and energy managers and users, communities, and policy makers in the arid Southwest and demonstrates the application of economic methods to address these challenges. It provides valuable tools for both those interested in resource management and climate change, and those seeking to understand how economic methods can be used to analyze contemporary social problems and craft appropriate responses. The book considers both adaptation to long-term climate change and more immediate issues of water and electricity management in the face of inter-annual climate variability and drought. Thus, no matter what one's perspective on long-run climate change projections, the book provides useful lessons for some of the region's most pressing resource management problems.
| Author | : Christopher F. Parmeter |
| Publisher | : Springer Nature |
| Total Pages | : 371 |
| Release | : 2020-10-21 |
| Genre | : Business & Economics |
| ISBN | : 3030471063 |
The volume examines the state-of-the-art of productivity and efficiency analysis. It brings together a selection of the best papers from the 10th North American Productivity Workshop. By analyzing world-wide perspectives on challenges that local economies and institutions may face when changes in productivity are observed, readers can quickly assess the impact of productivity measurement, productivity growth, dynamics of productivity change, measures of labor productivity, measures of technical efficiency in different sectors, frontier analysis, measures of performance, industry instability and spillover effects. The contributions in this volume focus on the theory and application of economics, econometrics, statistics, management science and operational research related to problems in the areas of productivity and efficiency measurement. Popular techniques and methodologies including stochastic frontier analysis and data envelopment analysis are represented. Chapters also cover broader issues related to measuring, understanding, incentivizing and improving the productivity and performance of firms, public services, and industries.
| Author | : Kurt Schwabe |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 510 |
| Release | : 2013-07-08 |
| Genre | : Science |
| ISBN | : 940076636X |
Offering a cross-country examination and comparison of drought awareness and experience, this book shows how scientists, water managers, and policy makers approach drought and water scarcity in arid and semi-arid regions of Spain, Mexico, Australia, South Africa and the United States.
| Author | : International Centre for Water Security and Sustainable Management |
| Publisher | : UNESCO Publishing |
| Total Pages | : 281 |
| Release | : 2021-10-31 |
| Genre | : Political Science |
| ISBN | : 9231004689 |
| Author | : Rattan Lal |
| Publisher | : CRC Press |
| Total Pages | : 594 |
| Release | : 2012-06-19 |
| Genre | : Nature |
| ISBN | : 1439850801 |
Crop water use can be increased by management of surface runoff, groundwater, irrigation, and soil water. Technological innovations to enhance availability of water for agricultural crops depend on soil and site-specific conditions. Devoted to the principles and practices of enhancing water use efficiency, Soil Water and Agronomic Productivity addr
| Author | : Ariel Dinar |
| Publisher | : Edward Elgar Publishing |
| Total Pages | : 541 |
| Release | : 2015-09-25 |
| Genre | : Business & Economics |
| ISBN | : 1782549668 |
Water scarcity, whether in the quality or quantity dimension, afflicts most countries. Decisions on water management and allocation over time, space, and among uses and users involve economic considerations. This Handbook assembles research that represents recent thinking and applications in water economics. The book chapters are written by leading scholars in the field who address issues related to its use, management, and value. The topics cover analytical methods, sectoral and intersectoral water issues, and issues associated with different sources of water.
| Author | : |
| Publisher | : |
| Total Pages | : 116 |
| Release | : 2008 |
| Genre | : Irrigation efficiency |
| ISBN | : |
| Author | : Lajpat Ahuja |
| Publisher | : Water Resources Publication |
| Total Pages | : 388 |
| Release | : 2000 |
| Genre | : Technology & Engineering |
| ISBN | : 9781887201087 |
This publication comes with computer software and presents a comprehensive simulation model designed to predict the hydrologic response, including potential for surface and groundwater contamination, of alternative crop-management systems. It simulates crop development and the movement of water, nutrients and pesticides over and through the root zone for a representative unit area of an agricultural field over multiple years. The model allows simulation of a wide spectrum of management practices and scenarios with special features such as the rapid transport of surface-applied chemicals through macropores to deeper depths and the preferential transport of chemicals within the soil matrix via mobile-immobile zones. The transfer of surface-applied chemicals (pesticides in particular) to runoff water is also an important component.
| Author | : Roy S. Rauschkolb |
| Publisher | : Oxford University Press, USA |
| Total Pages | : 272 |
| Release | : 1994 |
| Genre | : Business & Economics |
| ISBN | : |
Nitrogen constitutes about 79 percent of the earth's atmosphere, yet, in an agricultural plant production system, it is still common for soils to be deficient in the nitrogen needed for maximum plant growth. Nitrogen fertilizers, however, despite being essential for the economically driven production of food and fiber, are recognized as polluters of natural waters, and it has become increasingly apparent that manufactured and naturally occurring nitrogen resources must be better managed. This book addresses the problem by describing how such factors as types of soils and crops, irrigation methods, climate, and the nitrogen cycle itself affect levels of nitrogen in agricultural plant production systems. The book also provides a practical guide to the use of different fertilizers with regard to environment, type of plant, and method of farming. This book will help to achieve effective nitrogen management in agriculture and will be of interest to workers in local, state, and federal agricultural extension services, consulting firms, environmental regulators, and students and researchers in soil chemistry.
