结合生命周期评估和线性编程,优化社会化肥成本.
Erika De Keyser1, Timothy Rowe1, Lorenzo Giacomella1
1KU Leuven, Department of Earth and Environmental Sciences, Division of Bioeconomics, Celestijnenlaan 200E, 3001, Leuven, Belgium.
Journal of environmental management
|August 31, 2024
概括
生物基肥料可以帮助营养循环,但它们的经济和环境效益需要仔细评估. 一个农场模型显示,矿物肥在可持续农业中与生物基础选项一起仍然至关重要.
科学领域:
- 农业科学 农业科学
- 环境科学 环境科学
- 营养素循环循环的过程
背景情况:
- 生物基肥料为区域营养循环提供了潜力.
- 评估生物基肥料对农民和环境的益处至关重要.
- 必须考虑私人成本和环境外部性.
研究的目的:
- 评估生物基肥料在区域营养循环中的作用.
- 分析生物基肥料对农民的经济和环境可行性.
- 为农民和政策制定者提供有关将化肥外部性的信息.
主要方法:
- 制定一个农场一级的多目标优化模型.
- 考虑各种肥料,它们的成本和对环境的影响.
- 将成本最小化方法应用于佛兰德子农户模型.
主要成果:
- 矿物肥在最佳的肥料混合中发挥着重要作用,尽管存在环境外部性.
- 生物基肥料在综合肥料战略中也具有可行的作用.
- 该模型考虑了营养摄入量,营养标准和农场残留物可用性.
结论:
- 合并矿物和生物基肥料的平衡肥料策略是最优的.
- 对环境外部性进行内部化是可持续化肥管理的关键.
- 结果支持农民和营养管理政策制定者的知情决策.
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