苏亚飞,包文彬,李彦生,于镇华,刘晓冰

• 1:中国科学院东北地理与农业生态研究所黑土地保护与利用全国重点实验室
• 2:中国科学院大学
• 3:兴安盟农牧局农田建设和黑土地保护服务中心
• 4:东北农业大学资源与环境学院

摘要(Abstract)：

土壤酸化是农田土壤退化的表现形式之一，影响作物生产。自然条件下，土壤酸化是一个非常缓慢的过程，但由于人类活动引起的酸沉降，尤其是化肥过量施用和不合理耕作等因素，农田土壤酸化趋势正在加速。本文阐述了造成土壤酸化的基本原理，综述了不同国家及地区长期定位试验针对土壤酸化的研究结果，分析了我国农田土壤酸化趋势；总结了不同类型农田土壤酸化对土壤微生物、土壤理化性质和作物生长的危害；梳理了不同控制类实验的研究结果，讨论了施用碱性土壤改良剂、生物炭和有机肥对缓解土壤酸化的作用；最后展望了农田土壤酸化研究需要加强的可能方向。

关键词(KeyWords)： 土壤酸化;酸化危害;缓解措施;作物生产

Abstract:

Keywords:

基金项目(Foundation): 国家重点研发计划课题（2021YFD1500803）

作者(Author): 苏亚飞,包文彬,李彦生,于镇华,刘晓冰

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