近30年华北平原粮食主产区土壤肥力质量时空演变分析——以山东禹城市为例
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中国科学院知识创新工程重大项目(KSCX1-YW-09-02)和公益性行业(农业)科研专项经费项目(200903001-01)资助


Evaluation of soil fertility quality variation during past 30 years in a major grain-producing region of the north China plain——A case study of Yucheng County
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    摘要:

    土壤肥力质量的时空演变分析有助于了解区域土壤肥力变化情况和变化规律,对制定相应的农业管理措施,进一步提升土壤生产力,稳定粮食产量具有重要意义。本文以华北平原典型区禹城市为例,进行了土壤肥力质量时空演变分析。结果表明:自1980年以来,经过近30年的耕作和中低产田改造,禹城市土壤肥力质量显著提高,尤其在土壤肥力质量较差的区域,土壤质量提升更显著;土壤肥力质量空间变异性减弱,土壤肥力水平趋于一致,且空间变异受自然因素的影响降低,更多的受到人为管理因素的影响。

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    The evaluation of soil fertility quality variation contributes to the understanding the status and laws of soil fertility change. It is very important for the improvement of soil productivity and the stabilization of the grain production. This paper systematically evaluated soil fertility quality variation in Yucheng County, a typical grain-producing region of the North China Plain. The results indicated that soil fertility has been improved continuously since 1980, especially in the area of low soil fertility quality. From 1980 to 2008, the spatial variability of the soil fertility quality become lower and soil fertility status trended to be uniform, and the management practices influenced the spatial variability more and more.

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张贝尔,黄 标,张晓光,赵永存,孙维侠,胡文友,杨劲松.近30年华北平原粮食主产区土壤肥力质量时空演变分析——以山东禹城市为例[J].土壤,2012,44(3):381-388. ZHANG Bei-er, HUANG Biao, ZHANG Xiao-guang, ZHAO Yong-cun, SUN Wei-xia, HU Wen-you, YANG Jin-song. Evaluation of soil fertility quality variation during past 30 years in a major grain-producing region of the north China plain——A case study of Yucheng County[J]. Soils,2012,44(3):381-388

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  • 在线发布日期: 2012-07-05
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