Effect of cultivation ages on Cu accumulation in Greenhouse Soils in North China
[摘要] In this study, we determined the influence of cultivation age on Cu accumulation in greenhouse soils. The concentration of plant available Cu (A-Cu) decreased with depth, and the contents of top soils (0-40 cm) in greenhouses were higher than those of the open field. There was a positive correlation between A-Cu concentrations in soils and cultivation ages (R2=0.572). The contents of total Cu (T-Cu) decreased with depth, and positively correlated with cultivation ages in top soils (0-20cm) (R2=0.446). The long-term usage of manures can cause Cu increase and accumulation in greenhouse soils in comparison to the open field.
[发布日期] [发布机构] College of Chemistry, Chemical Engineering and Environmental Engineering, Liaoning Shihua University, Fushun; 113001, China^1;State Key Laboratory of Pollution Ecology and Environmental Engineering, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang; 110164, China^2
[效力级别] 生态环境科学 [学科分类]
[关键词] Cu concentrations;Greenhouse soil;North China;Positive correlations;Top soils [时效性]
