连翘，落叶灌木，是木樨科连翘属植物。连翘喜光，有一定程度的耐阴性；喜温暖、湿润气候，也很耐寒；耐干旱瘠薄，怕涝；不择土壤，在中性、微酸或碱性土壤均能正常生长。连翘根系发达，其主根、侧根、须根可在土层中密集成网状，吸收和保水能力强；侧根粗而长，须根多而密，可牵拉和固着土壤，防止土块滑移。连翘萌发力强，树冠盖度增加较快，能有效防止雨滴击溅地面，减少侵蚀，具有良好的水土保持作用，是国家推荐的退耕还林优良生态树种和黄土高原防治水土流失的最佳经济作物。
It is a deciduous shrub, forsythia, Ligustrumforsythia. Forsythia light has a certain degree of shade tolerance; warm, humidclimate, is also very cold; barren, fear of floods; not choose soil, inneutral, acidic or alkaline soil could grow normally. The forsythia root, root,root can be integrated in dense, fibrous root reticular layer, absorption andwater retention ability; root long and thick, fibrous roots and thick, can bepulled and fixed to prevent soil clods slip. Forsythia adorable force ispowerful, canopy coverage increased rapidly, can effectively prevent splashground, reduce erosion, has good effect on Soil and water conservation that isthe best economic crop recommended by national forest and good ecologicalspecies in Loess Plateau soil erosion prevention.
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