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该地区土壤有机质含量均很低，平均还不到1％。
This region is short of soil organic matter for the average value is less than 1%.
youdao
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能维持和提高土壤肥力和有机质含量。
It can maintain and increase the level of organic matter in soil.
youdao
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能维持和提高土壤肥力和有机质含量。
It can maintain and increase the level of organic matter in soil.
youdao