| 桂西北环境移民安置区新垦土地土壤质量与可持续利用研究——土壤肥力特征 |
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| 引用本文： | 苏以荣,黄宇,王克林.桂西北环境移民安置区新垦土地土壤质量与可持续利用研究——土壤肥力特征[J].土壤通报,2002,33(1):14-16. |
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| 作者姓名： | 苏以荣 黄宇 王克林 |
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| 作者单位： | 中国科学院长沙农业现代化研究所,湖南,长沙,410125 |
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| 基金项目： | 中国科学院九五重大项目(KF-05-02)和广西自治区1211工程重大项目"桂西北喀斯特地区异地扶贫开发与可持续发展研究"的阶段性成果 |
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| 摘 要： | 本文对环江肯福环境移民安置示范区所采 88个表层土样及 4个剖面土样有机质 ,全氮 ,全磷 ,全钾 ,水解氮 ,速效磷 ,速效钾 ,pH等指标进行了测定。结果表明该区表层土壤有机质含量较高 ,土壤氮相对丰富 ,钾含量偏低 ,磷严重缺乏 ,pH偏酸性。土壤剖面发育完整 ,在土壤剖面中有机质、氮、速效磷、交换性钾主要聚集在 2 0cm的表层土壤中 ,全磷随深度的增加而降低 ,全钾和 pH值则随土壤深度增加而上升
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| 关 键 词： | 环境移民安置示范区 土壤养分 剖面特征 |
| 文章编号： | 0564-3945(2002)01-0014-03 |
| 修稿时间： | 2000年3月27日 |
The Soil fertility Properties in the New Settlement Area of Immigrants in Northwestern Guangxi |
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| SU Yi-yong,HUANG Yu,WANG Ke-lin Changsha Institute of Agricultural Modernization,Chinese Academy of Sciences,Changsha ,China.The Soil fertility Properties in the New Settlement Area of Immigrants in Northwestern Guangxi[J].Chinese Journal of Soil Science,2002,33(1):14-16. |
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| Authors: | SU Yi-yong HUANG Yu WANG Ke-lin Changsha Institute of Agricultural Modernization Chinese Academy of Sciences Changsha China |
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| Institution: | SU Yi-yong,HUANG Yu,WANG Ke-lin Changsha Institute of Agricultural Modernization,Chinese Academy of Sciences,Changsha 410125,China) |
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| Abstract: | Research was made on some indexes of soils in Northwest Guangxi. The soil indexes include soil organic matter, total nitrogen, total phosphorus, total potassium, hydrolysable nitrogen, available phosphorus, exchangeable potassium, pH etc.. Soil samples include 88 top soil and 4 profile samples, which were collected in Kenfu new settlement area of immigrants. The results showed that soil fertility in the area was characterized by abundant organic matter and nitrogen, low potassium and phosphorus, and strong acidity. Soil profile developed very well. The contents of soil organic matter, nitrogen, available phosphorus and exchangeable potassium in top soils were much higher than those in the lower horizons. The content of total phosphorus decreased with depth in the profiles, but the total potassium and pH increased in the same manner. |
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| Keywords: | New settlement area Soil nutrient Profile |
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