| 超声波活化风化煤腐植酸对小白菜吸收Pb、Cd和土壤酶活性影响 |
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| 引用本文： | 钟世霞,徐玉新,骆洪义,赵越,李家家.超声波活化风化煤腐植酸对小白菜吸收Pb、Cd和土壤酶活性影响[J].水土保持学报,2012,26(6):185-189,193. |
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| 作者姓名： | 钟世霞 徐玉新 骆洪义 赵越 李家家 |
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| 作者单位： | 山东农业大学资源与环境学院,山东泰安271018 山东省高校农业环境重点实验室山东农业大学,山东泰安271018 |
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| 摘 要： | 采用土培盆栽试验研究不同超声波活化风化煤腐植酸添加量0,10,20,40,60g/kg(以风化煤计)对小白菜吸收重金属铅、镉和土壤酶活性的影响。结果表明:在加风化煤量40g/kg条件下,有效降低了土壤中铅、镉的可移动性,使小白菜中铅、镉含量明显降低;在加风化煤量20～40g/kg条件下,明显降低了土壤中铅、镉的生物毒性,提高了土壤酶(过氧化氢酶、脲酶、蔗糖酶)活性。故施适量的超声波活化风化煤(20～40g/kg)可有效减轻土壤中重金属铅、镉单一污染对小白菜的毒害,从而为铅、镉单一污染的小白菜区域增施腐植酸肥提供理论依据。
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| 关 键 词： | 腐植酸 Pb Cd 土壤酶活性 超声波 风化煤 |
Effects of Humic Acid in Weathered Coal Activated by Ultrasonic on Pakchoi Cabbage's Absorbing Pb,Cd and Soil Enzyme Activity |
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| ZHONG Shi-xia,XU Yu-xin,LUO Hong-yi,ZHAO Yue,LI Jia-jia.Effects of Humic Acid in Weathered Coal Activated by Ultrasonic on Pakchoi Cabbage's Absorbing Pb,Cd and Soil Enzyme Activity[J].Journal of Soil and Water Conservation,2012,26(6):185-189,193. |
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| Authors: | ZHONG Shi-xia XU Yu-xin LUO Hong-yi ZHAO Yue LI Jia-jia |
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| Institution: | 1,2(1.College of Resources and Environment,Shandong Agricultural University, Taian,Shandong 271018;2.Key Laboratory of Agricultural Environment in Universities of Shandong(Shandong Agricultural University),Taian,Shandong 271018) |
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| Abstract: | |
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| Keywords: | humic acid lead cadmium soil enzyme activity ultrasonic weathered coal |
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