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农田生态系统是陆地生态系统的重要组成部分。我国是农业大国,为农田生态系统土壤呼吸作用的研究创造了很好的条件。文章综述了中国农田土壤呼吸近10年来的研究进展,指出了土壤温湿度、作物生理生长状况和田间管理措施是影响农田土壤呼吸作用的主要影响因子。同时指出了农田土壤呼吸作用的时间变化特点和空间变化特点,及当下农田土壤呼吸研究的几个问题,应加强农田土壤呼吸的区域性研究和比较,标准化和规范化土壤呼吸的试验设计和测定方法,扩大作物研究范围为农田生态系统碳循环碳源和碳汇的问题提供依据。
Farmland ecosystems are an important part of terrestrial ecosystems. China is a big agricultural country, which has created good conditions for the study of soil respiration in farmland ecosystems. In this paper, the progress of soil respiration in farmland in China in the past 10 years is reviewed. It is pointed out that soil temperature and humidity, crop physiological growth and field management are the main factors that affect soil respiration. At the same time, it points out the characteristics of temporal variation and spatial variation of soil respiration in farmland and the current research on several issues of soil respiration in farmland. It is necessary to study and compare the regional soil respiration of farmland and to design and test methods of standardized and standardized soil respiration , And expanding the scope of crop research to provide a basis for the carbon cycle carbon sequestration and carbon sequestration in agro-ecosystems.