The glacier influence of Quaternary Period affect soil development obviously;

土壤发育受第四纪冰川影响明显，成土年龄短；

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The degree of differentiation of iron and manganese in horizons increased with the degree of soil development.

铁、锰在土层中的分化程度，随土壤发育的程度而增加；

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The relationship between free oxide and soil development in south western district of China is also discussed in this paper.

为此，本文仅就西南红壤和黄壤中氧化物及游离氧化物进行了初步探讨。

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Authorities here have acknowledged that deforestation and unregulated development were responsible for weakening the soil and contributed to the mudslides from Messina's surrounding hills and cliffs.

VOA: standard.2009.10.03

Phase II, planned for 2011, will identify both aquifers down to 3, 000 meters below the surface, study soil composition and aquifer replenishment, and prioritize areas for agricultural development.

UNESCO: launches initiative to identify groundwater and alleviate water shortages in Iraq | United Nations Educational, Scientific and Cultural Organization

Food safety is a particular concern, as some of the contaminants from years of industrial development make their way into the country's food from the soil in which it is grown.

WSJ: Cadmium-Tainted Rice Found in Guangzhou