1、Optimizing cropland management to mitigate climate
While practices like reducing fertilizer N application (Gu et al., 2023) and applying organic amendments (Liu et al., 2019) have been widely studied and adopted to mitigate N loss under current conditions, their effectiveness in counteracting the impacts of future climate change remains uncertain.
2、Optimized agricultural management reduces global cropland nitrogen
This study uses meta-analyses to evaluate and predict changes in nitrogen losses to air and water in response to sustainable nutrient, crop and soil management practices.
3、Nitrogen Fertilizers and Climate Change: A Comprehensive Review of
Overapplication and inefficient nitrogen use not only contribute to climate change but also pose risks to soil and water health. Addressing these challenges requires a balance between...
Reducing nitrogen fertilizer application as a climate change mitigation
In this paper, we examine factors influencing nitrogen fertilizer use decisions among farmers in the United States (US) and explore reduced fertilizer application as a climate change mitigation strategy.
Enhancing Rhizobium–Legume Symbiosis and Reducing Nitrogen Fertilizer
Excessive nitrogen fertilization can negatively affect the symbiotic association between plants and rhizobia, resulting in reduced soil health, altered mutualistic relationships, and environmental concerns.
Enhancing nitrogen use efficiency in agriculture by integrating
Enhancing nitrogen use efficiency (NUE) is essential for promoting sustainable crop production and mitigating the negative impacts of nitrogen loss, such as water pollution and greenhouse gas emissions.
Optimization of Nitrogen Fertilizer Application with Climate
Long−term excessive nitrogen fertilizer input has resulted in several environmental problems, including an increase in N2O emissions and the aggravation of nitrate leaching; monitoring nitrogen fertilizer is crucial for maize with high yield.
Agricultural management practices in China enhance nitrogen
Drawing on an extensive database in China, this study estimates the costs and benefits of combining organic and chemical fertilizers, straw recycling and deep placement of fertilizer.
Agro
Soil degradation and climate change increasingly threaten global food security, particularly in regions where crop-residue burning accelerates nutrient depletion and greenhouse gas (GHG) emissions. Converting agro-wastes into biochar via controlled pyrolysis offers a sustainable waste-valorization pathway, which serves as a multifunctional amendment for soil restoration, pollution control and ...
Editorial: Mitigation and adaptation strategies involving nitrogen
Excessive and inefficient use of nitrogen fertilizers often leads to environmental degradation, while proper management practices offer opportunities to improve crop productivity and environmental resilience. The net impact of climate change is already being evident worldwide.
Nitrogen fertilizer is a commonly used agricultural input that promotes crop growth and development while boosting yields. excessive application of nitrogen fertilizer leads to a range of environmental issues, including greenhouse gas emissions, soil degradation, and water pollution, all of which exacerbate climate change. Thus, optimizing nitrogen fertilizer use to mitigate climate change has become a critical issue.
First, it is essential to understand the production process of nitrogen fertilizer and its associated greenhouse gas emissions. Nitrogen fertilizer manufacturing relies heavily on fossil fuel combustion, releasing significant amounts of carbon dioxide (CO₂) and methane (CH₄). Approximately 40% of global fertilizer production annually derives from fossil fuels. Reducing nitrogen fertilizer production and consumption is therefore a key pathway to curbing climate change.
Next, exploring alternatives to conventional nitrogen fertilizers is vital. Traditional production methods no longer align with modern agricultural demands, driving the need for innovative substitutes. For instance, bio-based nitrogen fertilizers and organic compost can replace synthetic options. These alternatives not only reduce greenhouse gas emissions but also enhance soil health, crop quality, and yields.
Additionally, adjusting agricultural structures and planting systems can minimize nitrogen fertilizer usage. Practices like crop rotation and intercropping reduce nutrient buildup in soils, lowering the need for nitrogen inputs. Selecting crop varieties with high nutrient-use efficiency further decreases reliance on fertilizers.
Key measures for responsible fertilization include:
- Precision Application: Tailor fertilization plans to soil nutrient levels and crop requirements to avoid overapplication.
- Controlled-Release Fertilisers: Use slow-release formulations to minimize frequent top-dressing and reduce total nitrogen use.
- Organic Farming: Prioritize eco-balanced, sustainable systems that rely on natural cycles to meet crop needs and reduce chemical fertilizer dependence.
- Soil Management: Improve soil structure through deep tillage or loosening to enhance water and nutrient retention, cutting fertilizer needs.
- Water-Saving Irrigation: Adopt drip or sprinkler irrigation to minimize water waste and associated fertilizer runoff.
- Policy and Regulation: Governments should incentivize scientific fertilization practices, enforce stricter monitoring, and ensure rational nitrogen use.
optimizing nitrogen fertilizer use is a crucial strategy to address climate change. By reducing production and consumption, adopting alternatives, restructuring agriculture, improving soil management, and strengthening policies, we can collectively tackle climate challenges.
