天气预报 > 其他 > 土壤空气组成有哪些特点
土壤空气组成有哪些特点
更新时间: 2020-09-18 00:00:00  

土壤空气的组成与大气相似,但有差别。表现在:

1、二氧化碳含量高;

2、氧气含量低;

3、相对湿度高;

4、含还原性气体;

5、组成和数量处于变化中。

关键词: 土壤 空气 组成 哪些 特点

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