Ground-water Age Dating and Other Tools Used to Assess Land-use Effects on Water Quality
Author : J. D. Stoner
Publisher :
Page : 6 pages
File Size : 23,28 MB
Release : 1997
Category : Groundwater
ISBN :
Author : J. D. Stoner
Publisher :
Page : 6 pages
File Size : 23,28 MB
Release : 1997
Category : Groundwater
ISBN :
Author :
Publisher :
Page : 24 pages
File Size : 36,84 MB
Release : 2003
Category : Electronic government information
ISBN :
Author :
Publisher :
Page : 24 pages
File Size : 15,54 MB
Release : 2003
Category : Hydrology
ISBN :
Author : Michael J. Focazio
Publisher :
Page : 44 pages
File Size : 18,75 MB
Release : 2002
Category : Nature
ISBN :
Author : J.L. Hatfield
Publisher : Elsevier
Page : 719 pages
File Size : 31,49 MB
Release : 2008-08-28
Category : Science
ISBN : 0080569897
Nitrogen is one of the most critical elements for all life forms. In agricultural systems it is essential 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. Nitrogen in the Environment provides a wholistic perspective and comprehensive treatment of nitrogen. The scope of this book is diverse covering a range of topics and issues related to furthering our understanding of nitrogen in the environment at farm and national levels. Issues of nitrogen from its effects on crops and human nutrition to nitrogen in ground water, watersheds, streams, rivers, and coastal marine environments are discussed to provide a broad view of the problem and support scientists, researchers, and engineers in formulating comprehensive solutions. - The only source which presents an international, wholistic perspective of the effects of nitrogen in the environment with worldwide mitigation practices - Provides details on how to improve the quality of the environment by analyzing the development of emerging technologies - Develops strategies to be used by soil scientists, agronomists, hydrologists, and geophysicists for broad scale improvement of nitrogen efficiency
Author : Geological Survey (U.S.)
Publisher :
Page : 296 pages
File Size : 35,60 MB
Release : 1999
Category : Geology
ISBN :
Author : Geological Survey (U.S.)
Publisher :
Page : 308 pages
File Size : 17,21 MB
Release : 1999
Category : Geology
ISBN :
Author :
Publisher :
Page : 58 pages
File Size : 36,8 MB
Release : 1997
Category : Agricultural chemicals
ISBN :
Author :
Publisher :
Page : 616 pages
File Size : 30,74 MB
Release : 1998
Category : Geology
ISBN :
Author : R.F. Follett
Publisher : Gulf Professional Publishing
Page : 539 pages
File Size : 29,26 MB
Release : 2001-12-03
Category : Technology & Engineering
ISBN : 0080537561
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.