The treatment and land application of agricultural organic waste present numerous complex challenges, including high ammonia volatilization, significant greenhouse gas (GHG) emissions, and elevated risks of nitrogen and phosphorus loss to the environment. These challenges are compounded by the inadequacy of fragmented emission reduction technologies that fail to offer holistic solutions. Addressing these challenges requires a more integrated approach. The use of organic waste as a substitute for chemical fertilizers, combined with precise management of water and fertilizer applications, is essential for achieving nitrogen and phosphorus emission reductions throughout the entire process. Developing a comprehensive technological solution tailored to the unique characteristics of agricultural production not only broadens the application of innovative environmental technologies but also advances cutting-edge research in global environmental protection. Furthermore, these advancements are crucial for promoting sustainable green agriculture, as they contribute to both pollution reduction and economic benefits.

This Research Topic focuses on the exploration and application of nature-based solutions in agricultural nutrient management, with the aim of advancing the innovation and optimization of nitrogen and phosphorus emission reduction technologies.

This Research Topic emphasizes key strategies for reducing nitrogen and phosphorus emissions by applying advanced technologies and products in the treatment and land application of livestock waste. The collection will explore the integration of biomass thermochemical conversion and biotransformation technologies, utilizing livestock manure and vegetable straw waste as raw materials to produce functional biochar and high-efficiency organic fertilizers. Additionally, the special issue will examine the principles of crop nitrogen and phosphorus management based on water-fertilizer coupling and real-time supply-demand matching. By integrating synergistic control technologies for carbon, nitrogen, and phosphorus emission reductions during the planting process, this special issue will present field research findings across different regions and crop characteristics, with the aim of developing a set of nitrogen and phosphorus emission reduction technologies adaptable to diverse environments and crop types.

The research presented in this Research Topic will provide a scientific basis for environmental nutrient management in agricultural production, support the sustainable development goals, and foster the application of nature-based solutions in agriculture.

The collection of articles will include, but not limited to:

1. The role of thermochemical conversion of agricultural waste and wastewater and the subsequent land application of its products in achieving soil carbon sequestration and reducing nitrogen and phosphorus emissions.

2. The role of biotransformation of agricultural waste and wastewater and the subsequent land application of its products in achieving soil carbon sequestration and reducing nitrogen and phosphorus emissions.

3. The interactions between organic waste amendments and soil nutrient cycles, with the aim of enhancing nutrient use efficiency while mitigating potential environmental impacts such as eutrophication and greenhouse gas emissions.

4. The synergistic effects of integrating bio-organic amendments with bioactive compounds to enhance soil fertility and reduce environmental impacts, contributing to sustainable agricultural practices within the environmental science framework.

5. The impact of integrated nitrogen and phosphorus emission reduction technologies for biomass waste and wastewater, grounded in nature-based solutions, on the sustainable development of agricultural environments across various cropping systems.

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Agro-Environmental Nutrient Management Rooted in Nature-Based Solutions