Soil Nitrogen Uses and Environmental Impacts

Rattan Lal, B.A. Stewart

March 27, 2018 by CRC Press
Reference - 380 Pages - 79 B/W Illustrations
ISBN 9781138626362 - CAT# K31844
Series: Advances in Soil Science

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Features

Discusses the industrial process of fertilizer production resulting in climate change and global warming

Focuses on critical global issues regarding nitrogen and soil

Discusses enhancing the use efficiency of N fertilizers

Provides information on transformation and pathways of nitrogen in soil

Presents techniques to minimize losses of N into the environment

Highlights the importance of biological nitrogen fixation and industrially produced nitrogen fertilizer to global food and nutritional security

Summary

Nitrogen (N) is potentially one of the most complex elements on the Earth. It is necessary for all biological activity, but creates negative impacts on water and air quality. There is a balancing act between deficiency and surplus and the forms of N available further complicate our understanding of the dynamics. Biological fixation provides some plants with N supply while others are totally dependent upon N being available in the soil profile for the roots to extract. Nevertheless, the demand for N will increase because the human population with its increasing growth requires more protein and thus more N. Understanding the global N cycle is imperative to meeting current and future nitrogen demands while decreasing environmental impacts.

This book discusses availability, production, and recycling of N in air, water, plants, and soils. It features information on N impacts to soil and water quality, management of N in agroecosystems, and techniques to maximize the use efficiency while minimizing the risks of leakage of reactive N into the environment.

This volume in the Advances in Soil Science series is specifically devoted to availability, production, and recycling of N with impact on climate change and water quality, and management of N in agroecosystems in the context of maximizing the use efficiency and minimizing the risks of leakage of reactive N (NO-3, N¬2O) into the environment.