The Contents of iron and aluminum oxides in MUfu mountain soil clays were determined by selective dissolution technique.

用化学选择溶提法，测定了幕阜山不同海拔高度土壤及剖面不同层次的粘粒中铁铝氧化物的含量。

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Of course, you can only use the mountain soil nowadays. "only the mountain soils are safe for pigs, most other soil is now too polluted."

这一切又都那么经济，当然，现在只能用山上的土壤才安全，因为大多数土壤现在已经被过分污染了。

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The distribution configuration of middle-low mountain soil quality mainly depends on the variations between land use and cover, and human activities is the main factor that enhances the variations.

中低山坡地土壤质量的变化特征主要依赖于土地利用与覆盖之间的差异。

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The episode is known as the Younger Dryas, because in Scandinavia abundant pollen from a tundra flower called the mountain avens, Dryas octopetala, reappears in soil from this date, indicating that the forest had once more given way to tundra.

WSJ: Matt Ridley on New Support for a Global-Cooling Theory | Mind & Matter

And other factors driving global change, like radiation, soil erosion, changing soil conditions and demographic pressures, are also very noticeable in mountain regions.

UNESCO: 83e

As we head back out into the paddy fields, he lights a clove-scented cigarette and points to the shadowy, still-active volcano that shares its name with him - Gunung Agung, the tallest, most sacred mountain on Bali, from which rivers are said to flow and the volcanic soil gains its rich fertility.

BBC: High spirits in Bali