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相关概念视频

Overview of Nitrogen Metabolism01:20

Overview of Nitrogen Metabolism

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Nitrogen is a very important element for life because it is a major constituent of proteins and nucleic acids. It is a macronutrient, and in nature, it is recycled from organic compounds and stored in the form of  ammonia, ammonium ions, nitrate, nitrite, or  nitrogen gas by many metabolic processes. Many of these metabolic processes are carried out only by prokaryotes.
The largest pool of nitrogen available in the terrestrial ecosystem is gaseous nitrogen (N2) from the air, but this...
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相关实验视频

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Calibrated Passive Sampling - Multi-plot Field Measurements of NH3 Emissions with a Combination of Dynamic Tube Method and Passive Samplers
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识别使用贝叶斯网络从农场到农场的NH3减排技术.

N Dal Ferro1, G Fabbri2, F Gottardo2

  • 1Department of Agronomy, Food, Natural resources, Animals and Environment - DAFNAE, School of Agricultural Sciences and Veterinary Medicine, University of Padova, Viale dell'Università 16, 35020, Legnaro, Padova, Italy.

Journal of environmental management
|December 15, 2024
PubMed
概括

减少农业氨 (NH3) 排放需要在整个供应链中采取整体方法. 关键策略包括管理护理动物,减少农场过度拥挤,优化料蛋白质,并使用泥注射用于肥应用.

关键词:
农作物系统的作物系统.决策支持系统 决策支持系统肥料肥料的使用方法畜牧业 畜牧业 畜牧业 畜牧业肥料是人类的肥料.利益相关者参与 利益相关者参与

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The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals
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Assessment of Methane and Nitrous Oxide Fluxes from Paddy Field by Means of Static Closed Chambers Maintaining Plants Within Headspace
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The Use of an Automated System GreenFeed to Monitor Enteric Methane and Carbon Dioxide Emissions from Ruminant Animals
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科学领域:

  • 农业科学 农业科学
  • 环境科学 环境科学
  • 社会经济学 社会经济学

背景情况:

  • 农业产生的氨 (NH3) 排放给环境带来了重大挑战.
  • 缓解NH3挥发对于可持续的农业实践至关重要.
  • 为了有效的解决方案,平衡环境目标与农民需求是必不可少的.

研究的目的:

  • 评估农业中的NH3减排技术.
  • 将定量数据与利益相关者的定性感知相结合.
  • 为意大利威尼托地区的农民确定最佳可用技术 (BAT).

主要方法:

  • 利用贝叶斯信念网络 (BBN) 来建模NH3波动.
  • 综合利益相关者的意见通过一个价值诱导过程.
  • 开发了一个集成的影响力图 (ID),将数据和感知结合起来.

主要成果:

  • 有效的NH3减排需要一个全面的农业畜牧供应链战略.
  • 没有单一的技术占主导地位;需要在多个领域进行改进.
  • 优先考虑的技术包括管理病房动物 (HC_Inf),减少过度拥挤 (OC_-Animal),优化料蛋白质 (FD_Prot) 和泥注射 (INJ_Slu).

结论:

  • 利益相关者对昂贵或创新方法的不情愿凸显了社会文化和经济障碍.
  • 有效的NH3缓解需要一个多视角的方法来建立共识.
  • 将环境效益与农民可行性相结合,是技术采用的关键.