Managing Risks of Nitrates to Humans and the Environment

Cover
A. S. Ball, W. S. Wilson, Richard Hinton
Woodhead Publishing, 1999 - 347 Seiten
Nitrate levels in the environment have been the subject of intense discussion for some time. There is now a growing awareness of the need to balance the benefits and risks involved, not only in respect of nitrogenous fertilizers but also in respect of nitrate as a dietary component. Managing Risks of Nitrates to Humans and the Environment offers the latest research information on the beneficial effects of nitrates and their fate in the environment. Covering in an integrated way the agricultural, environmental and medical aspects of this emotive topic, the book confirms the sources, interactions and fate of nitrate in soils, water and the atmosphere. There is also an extensive description of the biochemistry of nitrates in plants, animals and humans, indicating the positive aspects as well as the hazards. This unique book will be applicable to a wide research audience at graduate and postgraduate level.
 

Inhalt

and Models 217
21
Fate of Nitrogen from Manufactured Fertilizers in Agriculture
42
Using a Rotational Modelling System to Explore the Effect
58
Assessing the Importance of Soluble Organic Nitrogen
65
Average Fertiliser Nitrogen Use and Estimates of Nitrogen Uptake
87
a Risk or Benefit to Livestock Production?
98
The Effects of Elevated Atmospheric Carbon Dioxide
110
Environmental Aspects of Nitrates
119
a Critical Review
189
Considerations of the Amino Nitrogen in Humic Substances
206
Fertilizer and Nitrate Pollution in India
228
Nitrate and Health
247
Identification of Nitrate Reducing Bacteria from the Oral Cavity
259
Potential Risks and Benefits of Dietary Nitrate
269
Implications for Nitrate Intake
281
Effects of Nitrates and Nitrites in Experimental Animals
317

Nitrates in Soils and Waters from Sewage Wastes on Land
139
The Role of Nitrates in the Eutrophication and Acidification
155
Toxicity of Nitrite to Freshwater Invertebrates
175

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