The faeces contain nitrogen and it is that which fertilises the desert soil.

粪便含氮，而正是氮可以肥化荒芜的土地。

柯林斯例句

Description: From the capital, their cars across the desert soil of the West tour.

描述: 从首都出发, 自家车穿越西土荒漠之旅.

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The dynamics variation of nitrogen, phosphorus was studied in wheat rhizosphere in alkali gray desert soil.

本文研究了碱化灰漠土中小麦根际土壤中氮 、 磷元素及其在不同生长期根际和非根际土壤中的动态变化.

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The roots of shrubs and trees help to hold the desert soil in place.

灌木和树的根有助于固定沙漠中的土壤.

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