Project supported by a Grant for Key Research Items in "Climbing" Program from the Ministry of Science and Technology of China (Grant no.).

国家科技部攀登计划重点研究项目基金(批准号：)资助的课题。

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According to the concrete conditions of China, this paper puts forward the key research items of soil and environmental problems in the country.

根据我国的具体情况，提出了在我国开展土壤与环境问题研究的重点课题。

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Project supported by a Grant for Key Research Items no. 2 in "Climbing" Program from the Ministry of Science and Technology of Chellona (Grant no.).

国家科技部攀登规划二号重点项目基金(批准号：)资助的课题。

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