如何设置土壤中微生物的分解作用实验?(有实验结果更好)
人气：111 ℃ 时间：2020-01-29 19:10:56
解答
1.在路边捡落叶,多捡点好了,在烘箱里烘大概2个小时吧,称重,随机等分为4份（A克）,量你自己定（要多一点）.2.将4份树叶用网格袋子装起来,埋在土下（不要太深.）3.每两个月取出一袋,烘干称重.（B克,C克,D克）土壤的分...
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