有机肥料对镉污染土壤的改良效应
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*国家自然科学基金重点项目(批准号39830220)


EFFECTS OF ORGANIC MANURE ON THE AMELIORATION OF CD-POLLUTED SOIL
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    摘要:

    通过培养与盆栽试验,研究了有机肥料对污染土壤中Cd的有效性、各形态及其生物活性的影响.结果表明,有机肥料的施用明显降低了土壤中有效性Cd的含量,其中猪粪效果优于秸秆类;有机肥料的施用促使交换态Cd向松结合有机态、锰氧化物结合态以转化.相关分析表明,土壤交换态Cd和松结合有机态Cd与土壤中有效态Cd、水稻地下部分含Cd成显着或极显着正相关.

    Abstract:

    Incubation and pot experiments were carried out to study the effect of organic manure on the amelioration of Cd-polluted soil. The results showed that application of organic manure could significantly reduce the content of chemically available Cd in soil. Pig manure was more effective than straw. Application of organic manure could accelerate the transformation of exchangeable Cd into WBO and OxMn. There were positive cornelations between the coutents of exchangeable Cd and WBO and those of chemically available Cd and Cd taken up by rice.

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张亚丽,沈其荣,姜洋.有机肥料对镉污染土壤的改良效应[J].土壤学报,2001,38(2):212-218. DOI:10.11766/trxb200003240209 Zhang Ya-li, Shen Qi-rong, Jiang Yang. EFFECTS OF ORGANIC MANURE ON THE AMELIORATION OF CD-POLLUTED SOIL[J]. Acta Pedologica Sinica,2001,38(2):212-218.

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  • 收稿日期:2000-03-24
  • 最后修改日期:2000-12-08
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  • 在线发布日期: 2013-02-25
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