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当前位置: 首页 > 文章 > 添加山皮土和秸秆对铁尾矿基质性质及植物生长的影响 生态学杂志 2018 (6) 1654-1661
Position: Home > Articles > Effects of adding hill-skill soil and straw on the properties of ferrous mill tailings substrate and plant growth Chinese Journal of Ecology 2018 (6) 1654-1661

添加山皮土和秸秆对铁尾矿基质性质及植物生长的影响

作  者：
于海波;迟光宇;陈欣;马建;邵玉飞
关键词：
复垦;铁尾矿砂;山皮土;秸秆;紫穗槐
摘  要：
铁尾矿砂作为复垦基质是实现其资源化利用的有效途径。本研究以室内盆栽法探究山皮土和秸秆对铁尾矿基质性质及紫穗槐幼苗生长的影响。处理因素为山皮土添加比例(0%、25%、50%、75%、100%)和秸秆添加比例(1%、3%、5%)。结果表明:添加山皮土能降低基质容重、全P、速效P含量,提高了田间持水量、阳离子交换量、全K和速效K含量;添加秸秆降低了基质容重,提高了田间持水量、阳离子交换量、全N、全P、速效N、速效K和TOC含量。在紫穗槐生长效果上,添加山皮土提高了紫穗槐幼苗的株高、根长、地径、冠幅和生物量;添加秸秆使紫穗槐幼苗的株高、根长、地径、冠幅和生物量呈现先增大后减小的趋势(3%>1%、5%)。综合分析表明,紫穗槐幼苗在3%秸秆+100%山皮土处理下生长情况最佳,而3%秸秆+50%山皮土处理的各个指标均与1%秸秆+0%山皮土处理差异显著(P<0.05),紫穗槐幼苗生长状况良好。因此,在实践中,在铁尾矿砂中添加3%秸秆+50%山皮土作为复垦配方可以更大限度地实现铁尾矿砂资源化利用。
译  名：
Effects of adding hill-skill soil and straw on the properties of ferrous mill tailings substrate and plant growth
作  者：
YU Hai-bo;CHI Guang-yu;CHEN Xin;MA Jian;SHAO Yu-fei;Key Laboratory of Pollution Ecology and Environmental Engineering,Chinese Academy of Sciences;University of Chinese Academy of Sciences;School of Environment,Liaoning University;
单  位：
YU Hai-bo%CHI Guang-yu%CHEN Xin%MA Jian%SHAO Yu-fei%Key Laboratory of Pollution Ecology and Environmental Engineering,Chinese Academy of Sciences%University of Chinese Academy of Sciences%School of Environment,Liaoning University
关键词：
reclamation;;ferrous mill tailings;;hill-skill soil;;straw;;Amorpha fruticosa
摘  要：
The use of ferrous mill tailings as reclamation substrate is an effective way for resource utilization. Based on potted culture method,we examined the impacts of hill-skill soil and straw addition on the properties of ferrous mill tailings substrate and the growth of Amorpha fruticosa seedlings. There were five addition levels of hill-skill soil( 0%,25%,50%,75%,and 100%)and three addition levels of straw( 1%,3%,and 5%). The results showed that adding hill-skill soil reduced substrate bulk density,total and available P content,and increased field moisture holding capacity,cation exchange capacity,total and available K content. Adding straw reduced substrate bulk density and improved field moisture capacity,cation exchange capacity,total organic C,total N and P,available N and K content. The incorporation of hill-skill soil into ferrous mill tailings increased plant height,root length,ground diameter,crown width and biomass of A. fruticosa seedlings,while adding straw increased first and then decreased plant height,root length,ground diameter,crown width and biomass( 3% addition > 1% and 5% addition). Comprehensive analysis indicated that A. fruticosa seedlings grew best in the treatment of 3% straw + 100% hill-skill soil. A. fruticosa seedlings grew well in the treatment of 3% straw+ 50% hill-skill soil,with each index being significantly different from that of the treatment of 1% straw + 0% hill-skill soil( P<0.05). The application of 3% straw + 50% hill-skill soil could be suitable as the formula for reclamation to realize the resource utilization of ferrous mill tailings.

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