干旱地区农业研究2016，Vol.34Issue(2)：130-135,6.DOI:10.7606/j.issn.1000-7601.2016.02.21
西部矿区接菌对风化煤与黄土配比的土壤改良效应
Soil remediation after inoculated with arbuscular mycorrhizal fungi on the ratio of weathered coal and loess in the mining area of western China
摘要
Abstract
Based on the characteristics of poor soil ,lack of effective nutrient and difficulty in crop growth in western mining area of China ,a pot experiment method was carried out in this study to have weathered coal and loess mixed in different proportions as the trial matrix and employ maize as the test .The effects of arbuscular mycorrhizal fungi (AMF) on maize growth and the improvement of different mixed matrix were investigated to find out the best ratio between weath-ered coal and loess .The results showed that inoculation with AMF promoted the growth of maize and the absorption of mineral elements .Mycorrhizal ecological effect became maximized when the weathered coal and loess mass ratio reached 1∶1 .At the same time ,the above ground dry weight and leaf color values of maize were 4 .61 g ,41 .17 ,respectively , and nitrogen ,phosphorus ,and potassium accumulations were 53 .01 mg ,7 .15 mg ,79 .42 mg per plant respectively . When the weathered coal and loess mass ratio was 1∶1 ,the density of hyphae was 4 .91 m·g-1 ,and the mycorrhizal root infection rate of maize reached maximum .With the increase of weathering coal ratio ,the glomalin and the acid phos-phatase (ACP) in maize rhizosphere soil were gradually increased as well .In conclusion ,the synergy of AMF and weath-ered coal promoted the growth of the crops ,improved the rhizosphere soil microenvironment ,and implemented the en-hancement of soil fertility in the gully region .关键词
丛枝菌根真菌/风化煤/黄土/玉米/改良效应Key words
arbuscular mycorrhizal fungi/weathered coal/loess/maize/soil remediation分类
农业科技引用本文复制引用
于淼,李少朋,毕银丽,邓穆彪,裘浪,洪天才..西部矿区接菌对风化煤与黄土配比的土壤改良效应[J].干旱地区农业研究,2016,34(2):130-135,6.基金项目
863计划资助项目 （）
