This region is short of soil organic matter for the average value is less than 1%.
该地区土壤有机质含量均很低，平均还不到1％。
Dogwoods prefer a soil that is high in organic matter.
山茱萸最适宜的土壤是富含有机养料的。
It can maintain and increase the level of organic matter in soil.
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.
能维持和提高土壤肥力和有机质含量。
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