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This volume provides a unique collection of contributions
addressing both the 'too much' and 'too little' sides of the
nitrogen story. Building on analyses started at the 6th
International Nitrogen Conference, Kampala, the book explores the
idea of 'just enough nitrogen': sufficient for sustainable food
production, but not so much as to lead to unsustainable pollution
and climate problems. The range of nitrogen threats examined,
solutions evaluated and science-policy analyses presented here has
provided the foundation to agree the 'Kampala Statement-for-Action
on Nitrogen in Africa and Globally,' as reported in this volume.
Humanity today faces unprecedented challenges: How to feed a
growing population? How to reduce air pollution, water pollution
and climate change? How to handle regional differences in an era of
increasing globalization? These questions are at the heart of this
edited volume which examines the multi-dimensional nature of the
global nitrogen challenge. While humans have massively altered the
nitrogen cycle, the consequences have become polarized. Some
regions have too much nitrogen, associated with pollution and
wasteful use of a valuable resource, while other regions have too
little nitrogen, leading to constraints on food production and
depletion of soil nutrient stocks. The volume provides a unique
collection of contributions addressing both the 'too much' and 'too
little' sides of the nitrogen story. Building on analyses started
at the 6th International Nitrogen Conference, Kampala, the book
explores the idea of 'just enough nitrogen': sufficient for
sustainable food production, but not so much as to lead to
unsustainable pollution and climate problems. The range of nitrogen
threats examined, solutions evaluated and science-policy analyses
presented here has provided the foundation to agree the 'Kampala
Statement-for-Action on Nitrogen in Africa and Globally,' as
reported in this volume. Together, the contributions in this book
are now informing actions by the International Nitrogen Initiative
(INI) in working with the United Nations Environment Programme and
others to establish the International Nitrogen Management System
(INMS). A key outcome has been to catalyse development of the first
Resolution on Sustainable Nitrogen Management, as adopted by the
fourth UN Environment Assembly (UNEA/EA.4/Res.14). The work is
written for researchers and policy makers and all those interested
in seeing how sustainable nitrogen management can contribute to
meeting many of the UN Sustainable Development Goals.
This volume provides a unique collection of contributions
addressing both the 'too much' and 'too little' sides of the
nitrogen story. Building on analyses started at the 6th
International Nitrogen Conference, Kampala, the book explores the
idea of 'just enough nitrogen': sufficient for sustainable food
production, but not so much as to lead to unsustainable pollution
and climate problems. The range of nitrogen threats examined,
solutions evaluated and science-policy analyses presented here has
provided the foundation to agree the 'Kampala Statement-for-Action
on Nitrogen in Africa and Globally,' as reported in this volume.
Humanity today faces unprecedented challenges: How to feed a
growing population? How to reduce air pollution, water pollution
and climate change? How to handle regional differences in an era of
increasing globalization? These questions are at the heart of this
edited volume which examines the multi-dimensional nature of the
global nitrogen challenge. While humans have massively altered the
nitrogen cycle, the consequences have become polarized. Some
regions have too much nitrogen, associated with pollution and
wasteful use of a valuable resource, while other regions have too
little nitrogen, leading to constraints on food production and
depletion of soil nutrient stocks. The volume provides a unique
collection of contributions addressing both the 'too much' and 'too
little' sides of the nitrogen story. Building on analyses started
at the 6th International Nitrogen Conference, Kampala, the book
explores the idea of 'just enough nitrogen': sufficient for
sustainable food production, but not so much as to lead to
unsustainable pollution and climate problems. The range of nitrogen
threats examined, solutions evaluated and science-policy analyses
presented here has provided the foundation to agree the 'Kampala
Statement-for-Action on Nitrogen in Africa and Globally,' as
reported in this volume. Together, the contributions in this book
are now informing actions by the International Nitrogen Initiative
(INI) in working with the United Nations Environment Programme and
others to establish the International Nitrogen Management System
(INMS). A key outcome has been to catalyse development of the first
Resolution on Sustainable Nitrogen Management, as adopted by the
fourth UN Environment Assembly (UNEA/EA.4/Res.14). The work is
written for researchers and policy makers and all those interested
in seeing how sustainable nitrogen management can contribute to
meeting many of the UN Sustainable Development Goals.
Nitrogen fertilizers are the inescapable necessity to enhance
agricultural production and to sustain food security. However,
their inefficient use accrues from inherent limitations of the crop
plants as well as the manner in which N fertilizers are formulated,
applied and managed. Excessive accumulation of N in the environment
leads to soil acidification, pollution of groundwater and
eutrophication of surface water, posing a public health problem as
well as ecosystem imbalance. Moreover, the ozone layer depletion
and greenhouse effects of NOx gases have global implications.
Agricultural Nitrogen Use: Environmental Implications provides a
comprehensive, interdisciplinary description of problems related to
the efficient use of nitrogen in agriculture, in the overall
context of the nitrogen cycle, its environmental and human health
implications, as well as various approaches to improve N use
efficiency. The book is presented in six sections: N Use, Flows and
Cycling in Agricultural Systems; N Use Efficiency in Crop
Ecosystems; Management Options and Strategies for Enhancing N Use
Efficiency; Plant Physiological and Molecular Aspects of Enhancing
N Use Efficiency; Role of Legumes and Biofertilizers in
Agricultural N Economy; and Environmental and Human Health
Implications.
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