The soil seed bank of urban green land contains some potential populations, some plants can be used for city afforestation. 城市綠地土壤種子庫中蘊藏著(zhù)一些潛在種群，有些植物種可以用于城市綠化建設。
In this article, the change of activated oxygen defensiveenzymes and lipid peroxidation of urban greening streets False Simon Poplar undercrust-covered stress were studied. 本論文主要研究在硬覆蓋脅迫下，城市綠化樹(shù)小青楊的脂質(zhì)過(guò)氧化和活性氧防御酶的變化。
