]*>","")" /> Effect of Activated Charcoal Treatment on the Activities of Soil Enzymes of Continuous Cropping Cotton Field
Xinjiang Agricultural Sciences

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Effect of Activated Charcoal Treatment on the Activities of Soil Enzymes of Continuous Cropping Cotton Field

ZHANG Wei;SUN Yan-yan;LI Yan-bin;LIU Jian-guo;LIU Jun   

  • Received:2009-04-25 Revised:2009-04-25 Online:2009-04-25 Published:2009-04-25

活性炭处理对连作棉田土壤酶活性的影响

张伟;孙艳艳;李彦斌;刘建国;刘俊   

  1. 石河子大学,新疆石河子,832003;五家渠市气象局,新疆五家渠,831300





摘要： 试验通过棉花连作定点微区试验研究了棉花长期连作和活性炭处理后棉田土壤酶活性的变化.结果表明:棉花连作影响土壤酶活性的变化,随着棉花连作年限的增加棉田土壤脲酶、蔗糖酶和过氧化氢酶活性降低,多酚氧化酶活性呈先降低后又升高的趋势.连作棉田土壤中加入活性炭土壤脲酶、蔗糖酶、过氧化氢酶和多酚氧化酶活性比未加活性炭的处理有不同程度的升高,说明活性炭可吸附根系分泌物中的化感物质,从而缓解了根系分泌物的害毒作用.