[1]杨皓,胡继伟,黄先飞,等.喀斯特地区金刺梨种植基地土壤肥力研究[J].水土保持研究,2015,22(03):50-55.
　YANG Hao,HU Jiwei,HUANG Xianfei,et al.Study on Soil Fertility of Rosa sterilis S. D. Shi Planting Bases Located in Karst Areas[J].Research of Soil and Water Conservation,2015,22(03):50-55.
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喀斯特地区金刺梨种植基地土壤肥力研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 22 期数: 2015年03期 页码: 50-55 栏目: 出版日期: 2015-06-28
Title:
Study on Soil Fertility of Rosa sterilis S. D. Shi Planting Bases Located in Karst Areas
作者:
杨皓1,2, 胡继伟1,2, 黄先飞2, 范明毅2, 李婕羚1,2
1. 贵州师范大学 中国南方喀斯特研究院, 贵阳 550001;
2. 贵州师范大学 贵州省山地环境信息系统与生态保护重点实验室, 贵阳 550001
Author(s):
YANG Hao1,2, HU Jiwei1,2, HUANG Xianfei2, FAN Mingyi2, LI Jieling1,2
1. Institute of South China Karst, Guizhou Normal University, Guiyang 550001, China;
2. Guizhou Provincial Key Laboratory of Information System of Mountainous Areas and Protection of Ecological Environment, Guizhou Normal University, Guiyang 550001, China
关键词:
金刺梨; 土壤肥力; 内梅罗综合指数法; 喀斯特; 评价
Keywords:
Rosa sterilisS.D.Shi; soil fertility; Nemerow synthesis index method; Karst; evaluation
分类号:
S158.2
摘要:
土壤肥力是农业持续发展的基础，探明贵州喀斯特山区金刺梨种植基地土壤肥力的丰缺现状，可为科学施肥提供参考依据。根据改进后的内梅罗综合指数法，对喀斯特地区两个金刺梨种植基地土壤肥力进行研究，选取与土壤肥力关系密切的pH值、有机质、全氮、全磷、全钾、水解氮、有效磷、速效钾8个指标，分析土壤养分的基本情况，参照全国第二次土壤普查分级标准对土壤肥力进行综合评价与因子分析。结果表明：喀斯特地区金刺梨种植基地土壤综合肥力系数变幅为1.16～2.23，平坝县金刺梨土壤综合肥力要好于乌当区金刺梨土壤综合肥力，其中乌当区金刺梨土壤全部处于肥力等级3级水平，属一般肥力水平；而平坝县土壤中，除了采样点p2，p3属于肥力等级3级水平，土壤肥力为一般外，其他采样点的土壤肥力等级均属肥沃水平。土壤钾素与磷素的缺乏可能成为喀斯特地区金刺梨种植基地土壤质量提高的限制性因素，需有针对性地补充含磷素和钾素的有机肥料。因子分析结果显示全磷、有效磷、速效钾、pH值对喀斯特地区金刺梨种植基地的土壤肥力有重要的影响，采用改进后的内梅罗综合指数法与因子分析的结果较吻合。
Abstract:
Soil fertility is normally considered as the basis of sustainable development of agriculture. The gain and loss of soil fertility for the Rosa sterilis S. D. Shi planting bases located in Karst areas of Guizhou Province was investigated to provide the basis for reasonable fertilization. The soil fertility of the Rosa sterilis S. D. Shi planting bases in Karst areas was assessed with the modified Nemerow synthesis index. Eight soil indicators, including pH, soil organic matter, total nitrogen, phosphorus and potassium, available nitrogen, phosphorus and potassium, were selected to grade soils. Comprehensive evaluation and factor analysis were also conducted to study soil fertility based on the Second National Soil Census Classification Standard. The results showed that the variation coefficient of soil fertility for the Rosa sterilis S. D. Shi planting bases was between 1.16 and 2.23. The soil fertility in Pinba County is better than in Wudang District. The soil fertility for the Rosa sterilis S. D. Shi is in grade 3 in Wudang District, which belongs to general degree. Except the soil samples from p2 and p3 which belong to grade 3, the soil fertility for the Rosa sterilis S. D. Shi belongs to the fertile degree at the other sample sites of Pinba County. Lack of soil phosphorus and potassium may be the main restrictive factors for the improvement of soil quality from Rosa sterilis S. D. Shi planting bases in Karst areas. The organic fertilizer containing abundant phosphorus and potassium should be used to improve soil quality in Karst areas. Factor analysis shows that total phosphorus, available phosphorus and potassium have the significant impacts on the soil fertility for these planting bases. The results from the modified Nemerow synthesis index method are in agreement with those from the factor analysis.

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备注/Memo

收稿日期:2014-12-02;改回日期:2014-12-29。
基金项目:贵州师范大学博士基金（301-040505020）；贵州师范大学研究生创新基金[研创2014（25）]
作者简介:杨皓(1989-),男,四川广安人,在读硕士生,研究方向为喀斯特地区生态修复与区域经济。E-mail:yanghaosc1989@foxmail.com
通讯作者:胡继伟(1963-),男,安徽安庆人,博士,教授,主要从事环境分析研究。E-mail:jiweihu@yahoo.com

更新日期/Last Update: 1900-01-01