题目内容

We can regulate the soil C:N ratio to control the soil nitrogen decomposition.

查看答案

搜索结果不匹配？点我反馈

更多问题

The organic nitrogen is the mainly forms of soil total nitrogen.

With the increase of soil depth, diurnal variation of the soil temperature ______ .

Generally, ______ is the main mechanism of exchange between soil and atmosphere.

Soil aeration is mainly determined by the number and size of ______ .