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Book Details :
Published on: 2001-12-03
Released on: 2001-12-03
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Nitrogen in the Environment: Sources, Problems, and Management is the first volume to provide a holistic perspective and comprehensive treatment of nitrogen from field, to ecosystem, to treatment of urban and rural drinking water supplies, while also including a historical overview, human health impacts and policy considerations. It provides a worldwide perspective on nitrogen and agriculture.Nitrogen is one of the most critical elements required in agricultural systems for the production of crops for feed, food and fiber. The ever-increasing world population requires increasing use of nitrogen in agriculture to supply human needs for dietary protein. Worldwide demand for nitrogen will increase as a direct response to increasing population. Strategies and perspectives are considered to improve nitrogen-use efficiency. Issues of nitrogen in crop and human nutrition, and transport and transformations along the continuum from farm field to ground water, watersheds, streams, rivers, and coastal marine environments are discussed. Described are aerial transport of nitrogen from livestock and agricultural systems and the potential for deposition and impacts. The current status of nitrogen in the environment in selected terrestrial and coastal environments and crop and forest ecosystems and development of emerging technologies to minimize nitrogen impacts on the environment are addressed. The nitrogen cycle provides a framework for assessing broad scale or even global strategies to improve nitrogen use efficiency. Growing human populations are the driving force that requires increased nitrogen inputs. These increasing inputs into the food-production system directly result in increased livestock and human-excretory nitrogen contribution into the environment.The scope of this book is diverse, covering a range of topics and issues from furthering our understanding of nitrogen in the environment to policy considerations at both farm and national scales. Fertigation Nutrient Sources and Application ... Animals and higher plants are incapable of utilizing nitrogen directly from the atmosphere. The nitrogen cycle with inputs outputs and cycling is complex. Grand Challenges - Manage the Nitrogen Cycle Engineers can help restore balance to the nitrogen cycle with better fertilization technologies and by capturing and recycling waste. Human impact on the nitrogen cycle - Wikipedia Human impact on the nitrogen cycle is diverse. Agricultural and industrial nitrogen (N) inputs to the environment currently exceed inputs from natural N fixation. As ... Bay Area Air Quality Management District - baaqmd.gov Air Quality Plans... Air Quality Plans (or Clean Air Plans) provide a road map to the Air Districts activities to improve air quality and address climate change. Chapter 2 The Nitrogen Cycle - faculty.washington.edu April 1999 The Nitrogen Cycle 2.3 organisms and then incorporated into soil organic matter when the plants die and decompose. In biosolids the majority of N added to ... Fertilizer urea : Nitrogen : Nutrient Management ... In the past decade urea has surpassed and nearly replaced ammonium nitrate as a fertilizer. This has brought about new questions on urea and its use. Urea a white ... Air Environmental Protection Department This section gives an overview on air pollution control in Hong Kong. For more information on Hong Kong's air quality please visit Air Pollution Control Strategies ... Excess Nitrogen in the Environment - UNEP EXCESS NITROGEN IN THE ENVIRONMENT 10 Towards integrated nitrogen management Our knowledge of the nitrogen cycle has improved in the last decade along with our ... Urban runoff - Wikipedia Urban runoff is surface runoff of rainwater created by urbanization. This runoff is a major source of flooding and water pollution in urban communities worldwide. Nitrogen application with irrigation water-chemigation ... Nitrogen application with irrigation water: chemigation. Jerry Wright Fred Bergsrud George Rehm Carl Rosen Gary Malzer and Bruce Montgomery
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