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Toward a Generic Analytical Framework for Sustainable Nitrogen Management: Application for China
Baojing Gu1,2, Shu Kee Lam2, Stefan Reis3,4
1Department of Land Management , Zhejiang University , Hangzhou 310058 , PR China.
Environmental Science & Technology
|January 9, 2019
Summary
A new framework helps nations assess reactive nitrogen (Nr) management for sustainable development. It balances food production with environmental protection, crucial for global goals.
Area of Science:
- Environmental Science
- Agricultural Science
- Sustainable Development
Background:
- Balancing food production and environmental protection through reactive nitrogen (Nr) management is a significant global challenge.
- Increasing affluence worldwide exacerbates the need for sustainable Nr practices.
Purpose of the Study:
- To introduce a novel framework for national nitrogen (N) assessments to enable consistent international comparisons.
- To improve Nr management strategies for sustainable development at national and regional levels.
Main Methods:
- The framework integrates national-scale N budgets, validation of N fluxes, cost-benefit analysis, and Nr management strategies.
- It identifies critical factors for Nr management, including N use efficiency (NUE), Nr recycling, dietary patterns, and food waste.
Main Results:
- The framework was successfully applied in China, leading to policy interventions for improved Nr management.
- It provides a basis for other countries to adopt sustainable Nr practices.
Conclusions:
- The proposed framework offers a robust approach for national N assessments and management.
- Implementing this framework supports the achievement of Sustainable Development Goals (SDGs) amidst population growth and increasing demands.
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