农业节水在地地区的适用性及其在地荒漠化控制中的启发
Qinglin Wu1, Lan Wang1,2
1School of Karst Science, Guizhou Normal University / State Engineering Technology Institute for Karst Desertification Control, Guiyang, 550001, China.
Heliyon
|June 27, 2024
概括
农业节水措施提高了农作物用水效率 (WUE) 在地地区. 诸如无耕作和草等适应措施对于可持续农业和打击石干旱至关重要.
科学领域:
- 农业科学 农业科学
- 水文学的水文学
- 土壤科学 土壤科学
背景情况:
- 由于双重的水文地质结构,卡斯特地区面临着独特的"卡斯特干旱",导致快速的水泄漏.
- 这些地区的干旱和水资源短缺严重阻碍了可持续的农业发展.
- 恢复岩生态和改善水资源利用对于区域进步至关重要.
研究的目的:
- 审查和评估各种农业节水措施对岩环境的适用性.
- 确定有效的策略,以提高水资源稀缺的地地区的作物用水效率 (WUE).
- 建议在沙漠化地区为节水农业提供综合方法.
主要方法:
- 对现有的农业节水技术的文献综述.
- 分析诸如耕地,土和缺水灌等措施对作物 WUE 的影响.
- 根据地区域的特定条件 (如土壤,劳动力) 评估措施的适用性.
主要成果:
- 诸如深耕,草,水肥合和缺水灌等农学实践显著改善了作物WUE.
- 对于地条件,需要特别的适应:没有耕作,粉碎的草覆,降雨前的水-肥料应用,以及用于赤字灌的生态池.
- 由于土壤浅和复杂的应用,诸如保留水的剂等措施不适合.
结论:
- 优化区域水肥合和实施复合农业节水措施是必不可少的.
- 建议开发协调的森林-谷物-草系统,并促进农林业,以实现生态可持续性.
- 加强对土壤/水泄漏监测和盆地水量水变化的研究对于在地地区节水农业至关重要.
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