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当前位置: 首页 > 文章 > 外源有机质存在下钙铝交互作用对茶园土壤铝的吸附能力与活性的影响 农业环境科学学报 2010,29 (02) 293-298
Position: Home > Articles > Effects of Interaction of Calcium-Aluminum on the Adsorption Capacity and Active Aluminum in Tea Garden Soil Under Extraneous Source Organic Matter Journal of Agro-Environment Science 2010,29 (02) 293-298

外源有机质存在下钙铝交互作用对茶园土壤铝的吸附能力与活性的影响

作  者：
谢忠雷;李航;汪精华;王晓颖
单  位：
西南大学资源环境学院;吉林大学环境与资源学院;内蒙古大学环境地质研究所
关键词：
茶园土壤;钙铝交互作用;外源有机质;吸附能力;铝的活性
摘  要：
通过实验室模拟,研究不同含量外源有机质存在下(5%、10%和15%),钙铝交互作用(钙/铝摩尔浓度比为1∶2、1∶1和2∶1)对茶园土壤铝的吸附能力和活性的影响。结果表明,钙铝交互作用显著增加了茶园土壤对铝的吸附量,外源有机质对钙铝交互作用下茶园土壤铝的吸附作用影响不明显;钙铝交互作用使茶园土壤水溶态铝含量增加,交换态铝含量下降,且随钙/铝比的增大交换态铝含量下降越显著;但外源有机质使钙铝交互作用下茶园土壤的水溶态铝含量下降,同时交换态铝含量显著增加。总的看,外源有机质使钙铝交互作用下茶园土壤活性铝含量增加,且随外源有机质含量的增加,活性铝含量增加的越显著。
译  名：
Effects of Interaction of Calcium-Aluminum on the Adsorption Capacity and Active Aluminum in Tea Garden Soil Under Extraneous Source Organic Matter
作  者：
XIE Zhong-lei1,LI Hang1,WANG Jing-hua2,WANG Xiao-ying1 (1. College of Environment and Resources,Jilin University,Changchun 130012,China; 2.College of Environment and Resources,Inner Mongolia University,Hohhot 010021,China)
关键词：
tea garden soil; interaction of calcium-aluminum; extraneous source organic matter; adsorption capacity; activity of aluminum
摘  要：
Effects of interaction of calcium-aluminum(the ratios of mole concentration of Ca to Al were 1∶2,1∶1 and 2∶1,respectively)on adsorption capacity and activity of aluminum in tea garden soil were studied in the paper by laboratory simulation under different contents of the extraneous source organic matter (5%,10% and 15%). The interaction of calcium-aluminum made the adsorption capacity of aluminum in the tea garden soil increase obviously,the influence of the extraneous source organic matter on adsorption capacity of aluminum in tea garden soil was not obvious under the interaction of calcium-aluminum. The calcium-aluminum interaction made the water-soluble aluminum con-tent increase and the exchangeable-aluminum content decrease in the tea garden soil,and furthermore the exchangeable-aluminum contents decreased more remarkably along with calcium/aluminum ratio increasing. Nevertheless,the extraneous source organic matter made watersoluble aluminum content decrease and exchangeable-aluminum increase obviously under the interaction of calcium-aluminum in the tea garden soil. Generally,the extraneous source organic matter made the active aluminum content increase under the interaction of calcium-aluminum,and especially the active aluminum content increased more remarkably in the tea garden soil along with extraneous source organic content increasing.

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