【摘要】 黄河三角洲地区土壤盐渍化程度高,地下水位浅并且为咸水,林木生长的立地条件差,只有少数耐盐碱树种能够存活,严重制约了林浆纸一体化进程。开展杨树引种及配套技术研究,既利于改善生态环境,又能丰富黄河三角洲地区树种资源,促进三网绿化工程生态、社会、经济三大效益的有机统一。更多还原

【Abstract】 Yellow River Delta soil salinity is high,groundwater is salt-water,it’s level is shallow,site conditions of trees growth is poor,only a few salinity-alkalinity resistance species can survive,which seriously restrict the woods pulp paper integration.To do the research work of Populus L.introduction and necessary cultivation techniques,both to improve ecological environment and enrich the Yellow River Delta region’s trees resource,promote the organic unity of the ecological,social and economic benefit of "three nets" greening projects更多还原