在R.J.库克农业农场的LTAR耕地共同实验
David R Huggins1, Claire L Phillips1, Bryan R Carlson1
1USDA-ARS, Washington State University, Pullman, Washington, USA.
Journal of environmental quality
|November 10, 2024
概括
内陆西北地区的可持续农业面临着成本上升和环境问题带来的挑战. 本研究比较了替代 (ALT) 和主流 (PRV) 农业实践,以评估生态系统的权衡,并推进再生方法.
科学领域:
- 农业科学 农业科学
- 农业学是一种农业学.
- 环境科学 环境科学
背景情况:
- 内陆太平洋西北地区的干旱土地农业面临诸多挑战,包括投入成本上升,土壤退化,作物多样性有限,抗除草剂和空气质量问题.
- 技术进步使农业决策变得复杂,需要创新研究和可持续实践.
- 对评估生态系统服务权衡和开发联合生产研究方法的长期研究越来越感兴趣.
研究的目的:
- 建立和评估一个长期的农业生态系统实验,对比普遍的 (PRV) 和替代的 (ALT) 种植实践.
- 评估作物系统性能的空间和时间变化,包括作物产量,土壤健康,水和空气质量.
- 通过利益相关者与研究人员的合作伙伴关系,探索共同生产的研究方法,以推进农业创新.
主要方法:
- 在2017年在R.J.库克农业农场 (CAF) 长期农业生态系统研究 (LTAR) 站点建立了一个作物系统实验.
- 在30年的时间范围内,与现行的 (减少耕作,统一的农化学品) 和替代的 (连续不耕作,精密) 实践进行对比.
- 在地理位置进行生物物理测量,以捕捉现场规模的空间和时间变化.
主要成果:
- 该实验目前正在评估ALT和PRV实践之间作物系统性能的空间和时间变化.
- 最初的研究重点是评估作物产量,土壤健康指标以及水和空气质量指标.
- 正在分析与每个作物系统相关的权衡.
结论:
- 长期研究对于理解干旱土地农业的生态系统服务权衡至关重要.
- 替代作物种植实践显示出促进可持续和再生农业的潜力.
- 联合生产研究模型对于通过利益相关者参与来加速创新和影响至关重要.
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