求翻译：辉山苜蓿草种植项目更为辽河生态的全面恢复做出突出贡献，全长538公里的辽河干流河滩面积100多万亩，部分河段植被遭到破坏，水土流失、土壤沙化严重，紫花苜蓿根系深达1.5米，根瘤多，有固氮作用，可有效改良土壤肥力，保持水土。紫花苜蓿枝叶繁茂，覆盖地表能力强，对保护和恢复生态有着重要意义。是什么意思？

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The splendor mountain alfalfa grass planter project more Liaohe River ecology comprehensively restores makes the prominent contribution, the span 538 kilometer Liaohe River main current sandbank area more than 100 ten thousand Chinese acres, the partial section of river vegetation is destructed, the

Huishan alfalfa planting more comprehensive recovery of liaohe River ecological made outstanding contributions, 538-km of liaohe river flood land area of more than 1 million acres, part of river vegetation damage, serious soil erosion, soil desertification, alfalfa roots up to 1.5 meters deep, and r

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