豆科及非豆科固氮树种是重要的生物固n资源。
Nitrogen fixation trees of Leguminosae and non-Leguminosae are important biological nitrogen fixation resources.
放线菌根瘤植物是自然界中一类重要的固氮资源，作为先锋树种和伴生树种在造林中有重要的应用价值。
Actinorhizal Plants are a kind of important natural nitrogen-fixing resources, and they have high value in reforestation as pioneer and accompanying species.
相思树是我国南方一种对土壤适应性强，根瘤固氮的速生树种。
Acacia is a kind of fast growing wood that strongly fit for soil in south China.
相思树是我国南方一种对土壤适应性强，根瘤固氮的速生树种。
Acacia is a kind of fast growing wood that strongly fit for soil in south China.
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