top soil的例句大全

The activities of soil urease fluctuated with soil depth in both top and middle slope positions, but increased in the pattern of solar slope> lunar slope> fallow land at the slope bottom.

在坡顶和坡中部土壤剖面脲酶活性波动较大，在坡底为阳坡>阴坡>撂荒地。

The concentration of Cd in the soil sections reduced from the top down, Cd was enriched in the surface, which increased the risk of agricultural produce.

土壤剖面层次中Cd含量呈从上到下逐渐降低趋势，Cd大部分富集在土壤表层，即耕作层，给农业生产带来了极大的风险。

The directional blasting is implemented for unstable landslide to toss soil from the top to the toe to lower the gravity center of the landslide.

对不稳定的土体采用定向控制爆破方法，将滑坡体上部土体抛掷到坡脚，降低坡体的重心，达到治理滑坡的目的。

The soil water content and the plant biomass fluctuate along the slope from the top to its bottom showing that better vegetation consumes more soil water.

沿坡长方向从坡顶到坡脚土壤含水量和生物量的变化呈波浪状，且生物量波峰基本与土壤水分波谷相对应，这说明较高的植被生产力消耗较多的土壤水分。