酸性土壤 和碱性土壤 怎么简单区分
酸性土壤 和碱性土壤 怎么简单区分
其他人气：229 ℃时间：2020-04-17 12:56:27
优质解答
取一些土有水泡,测水的PH值,大于7为碱性,小于7为酸性,等于7为中性.
我来回答
类似推荐
猜你喜欢
- 1法国地理位置特点
- 2She thinks it can make her ( ) .She swims every day
- 3英语爱好者,
- 4i found to my surprise that he didnot come at last中to my surprise 做什么成分?
- 5My friend Mike was late for school because the fog was heavy .(保持句意不变)
- 6用三根木条围成一个直角三角形,其中两根木条的长都是4.3dm,直角三角形的面积是多少平方分米?
- 7I buy story books and things ____that.
- 8could you tell me_____?i am not ture
- 9she wrote to me only a week______
- 10关于文言文《三峡》的问题