The dark loessial soil (Heilutu) is not only a main zonal soil group in the loess plateau of northwestern China, but an ancient cultivated soil.

黑垆土是我国西北黄土侵蚀地区主要的地带性土类，也是一种古老的耕种土壤。

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Which group of the young plants can get enough food materials from the soil?

哪一组的幼苗能从土壤中得到足够的养料？

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As a main group of animals in the soil, the earthworms play important functions in ecosystem.

蚯蚓是土壤中的主要动物类群，在生态系统系统中具有重要的功能。

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He says those questions became even more difficult to answer after the 9/11 attacks by a group of Sunni Arab terrorists that killed 3,000 people on American soil, and after the massive U.S.military deployments in Afghanistan and Iraq.

VOA: standard.2010.03.18

Senior manager Tshepo Ramodibe said the group hopes to use the upcoming football World Cup, being played for the first time on African soil, to broaden awareness of the disease and the way it can be prevented and treated.

VOA: standard.2010.04.23

The land off the motorway has some of the most fertile soil in the country, the group says.

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As a group, PDPs like OneWorld Health, Medicines for Malaria Venture, the International AIDS Vaccine Initiative, Drugs for Neglected Diseases Initiative, and the Foundation for Innovative Diagnostics target diseases such as tuberculosis, malaria, Chagas, HIV and AIDS, and soil-transmitted helminthiasis, a group of parasitic infections caused by worms.

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Hope Group's root had sprouted in the stony soil of Xinjin, near the company's current headquarters on the outskirts of Chengdu.

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