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Soil Nematode Response to Biochar Addition in a Chinese Wheat Field

机译：中国麦田土壤线虫对生物炭添加的响应

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摘要

While studies have focused on the use of biochar as soil amendment,little attention has been paid to its effect on soil fauna.The biochar was produced from slow pyrolysis of wheat straw in the present study.Four treatments,no addition (CK) and three rates of biochar addition at 2400 (B1),12000 (B5) and 48000 kg ha-1 (B20),were investigated to assess the effect of biochar addition to soil on nematode abundance and diversity in a microcosm trial in China.The B5 and B20 application significantly increased the total organic carbon and the C/N ratio.No significant difference in total nematode abundance was found among the treatments.The biochar addition to the soil significantly increased the abundance of fungivores,and decreased that of plant parasites.The diversity of soil nematodes was significantly increased by B1 compared to CK.Nematode trophic groups were more effectively indicative to biochar addition than total abundance.
机译：虽然研究集中在使用生物炭作为土壤改良剂，但很少关注其对土壤动物的影响。本研究中，生物炭是由小麦秸秆缓慢热解产生的。四种处理，不添加（CK）和三种在中国的一个缩影试验中，研究了2400（B1），12000（B5）和48000 kg ha-1（B20）的生物炭添加速率，以评估土壤中生物炭添加对线虫丰度和多样性的影响。 B20的施用显着增加了总有机碳和C / N比率，各处理之间的总线虫丰度没有显着差异。向土壤中添加生物炭显着增加了真菌的丰度，降低了植物寄生虫的丰度。与CK相比，B1显着增加了土壤线虫的数量。线虫营养组比总丰度更有效地指示了生物炭的添加。

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  • 来源
    《土壤圈（英文版）》 |2013年第1期|98-103|共6页
  • 作者

    ZHANG Xiao-Ke; LI Qi; LIANG Wen-Ju; ZHANG Min; BAO Xue-Lian; XIE Zu-Bin;

  • 作者单位

    State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164,China;

    State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164,China;

    State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164,China;

    State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164,China;

    State Key Laboratory of Forest and Soil Ecology, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110164,China;

    University of Chinese Academy of Sciences, Beijing 100049,China;

    Jiangsu Biochar Engineering Center, State Key Laboratory of Soil and Sustainable Agriculture, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008,China;

  • 收录信息 中国科学引文数据库(CSCD);中国科技论文与引文数据库(CSTPCD);
  • 原文格式 PDF
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