煤基腐植酸和外源砷对玉米苗期生长和养分及砷含量分布的影响  

Effects of Coal-based Humic Acids and Exogenous Arsenic on Maize Seedling Growth and the Nutrients and Distribution of Arsenic Content

作　　者：刘琳[1] 李伟 郭凌[1] 王腾[1] 张吴平[1] 刘奋武[1] 卜玉山[1] 

机构地区：[1]山西农业大学资源环境学院,山西太谷030801 [2]山西省环境规划院,山西太原030024

出　　处：《山西农业大学学报（自然科学版）》2015年第1期34-38,共5页Journal of Shanxi Agricultural University(Natural Science Edition)

基　　金：山西省留学归国项目(2013-重点7);山西省攻关项目(20130313007-3)

摘　　要：通过盆栽模拟试验研究了4种不同煤基腐殖酸、EDTA和外源砷对玉米生长和地上部、地下部的氮、磷、钾及砷含量的影响,旨在筛选治理土壤砷污染效果最佳的煤基腐殖酸。结果表明:不同煤基腐植酸的施入均不同程度的促进了玉米苗期对N、P、K的吸收,综合分析以11号煤基腐植酸的效果为最好;4种不同煤基腐植酸均能有效降低玉米地上部和地下部对砷的积累,其中6号煤基腐植酸更能有效地抑制玉米地下部分对砷的积累。Through potted experiment studied the effects of four different coal-based humic acid, EDTA and arsenic treatment on maize growth, aboveground and underground part of nitrogen, phosphorus, potassium, and arsenic content. The Objective was to screen the optimal coal-based humic acid that has the best control effect of soil arsenic pollution. The results showed that： different coal-based humic acid fertilizer in different degree to promote the absorption of N, P, K of maize seedlings, the No. 11 coal-based humic acid＇s effect was the best in a comprehensive analysis; 4 kinds of different coal-based humic acid could effectively reduced the accumulation of maize aboveground and underground on arsenic, the No. 6 coal-based humic acid could inhibit the maize underground part of effective on arsenic accumulation.

关 键 词：煤基腐植酸 外源砷 玉米 养分 

分 类 号：X53[环境科学与工程—环境工程]