农作物轮换协同产生产量,营养和收入:一个元分析
Shingirai Mudare1, Jingying Jing2, David Makowski3
1State Key Laboratory of Nutrient Use and Management; Key Laboratory of Plant‑Soil Interactions, MOE; College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, China.
与单一种植相比,作物轮换可以提高作物产量,饮食能量,营养素和全球收入. 豆类前作物提供了最大的产量增加,突出了作物旋转作为可持续农业的关键.
科学领域:
- 农业科学 农业科学
- 农业学是一种农业学.
- 可持续农业 可持续农业
背景情况:
- 单一栽培农业实践可能导致作物产量,营养价值和经济收入之间的权衡.
- 通过作物轮换进行作物多样化是提高粮食和营养安全的策略之一.
研究的目的:
- 评估作物旋转对产量,食能量,营养含量和收入的全球影响.
- 为了比较作物轮换与连续单一种植系统的好处.
主要方法:
- 合成了从1980年到2024年的3663个配对实地试验收益率观测结果.
- 分析了产量数据,饮食能量,蛋白质,铁,和含量以及不同作物旋转系统和单一栽培的收入.
主要成果:
- 在全球范围内,作物轮换使后期作物产量增加了16% (非豆类预作物) 和23% (豆类预作物).
- 与单一种植相比,轮换提高了14-27%的总产量,食能量,蛋白质,铁,,和收入.
- 对产量,营养和收入的协同"双赢"结果在33-54%的案例中被观察到,超过了权衡.
结论:
- 农作物旋转是一种提高农业产量,营养和收入的战略方法,其表现优于单一农作物.
- 确定了主要农业地区的高性能作物旋转,为可持续的强化提供可扩展的解决方案.
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