DU Juan,ZHOU Guona,LI Meng.Fertility Analysis of Different Depth Agricultural Soil in Slope[J].Northern Horticulture,2017,41(14):112-117.[doi:10.11937/bfyy.20170611]
边坡不同深度农业土壤肥力分析
- Title:
- Fertility Analysis of Different Depth Agricultural Soil in Slope
- Keywords:
- slope; agricultural soil; fertility analysis
- 文献标志码:
- A
- 摘要:
- 以安新地区高速公路边坡坡面农业土壤为研究对象，通过分层取样的方法，对不同深度土壤的pH、有机质、碱解氮、有效磷和速效钾含量进行对比分析，探讨高速公路对周边不同深度土壤肥力的影响。结果表明：边坡不同深度农业土壤的有机质、碱解氮、有效磷、速效钾含量不同，调查范围内的土壤质地以粉砂质粘壤土为主，以壤质砂土为辅。高速公路对边坡不同深度土壤有机质含量的影响最大，其次是有效磷，影响最小的是速效钾，pH也受边坡不同深度土壤的影响。由此可见，安新地区高速公路能够对边坡不同深度土壤的肥力状况产生一定的影响。
- Abstract:
- The agricultural soil on the surface of side slope besides the expressway in Anxin was used as the research object，by stratified sampling method for comparative analyzing the soil pH，organic matter，available nitrogen，available phosphorus and available potassium，so as to analyze the fertility of agricultural soils on the road slopes with different soil layers.The results showed that the contents of organic matter，available nitrogen，available phosphorus and available potassium in soils at 0-30 cm were higher than those at 30-60 cm in the slope，and the soil texture was dominated by silt clay loam，supplemented by loamy sand.The content of organic matters in agricultural soils in side slopes of expressway had the most significant influence，followed by available phosphorus，and available potassium had the least influence，pH in soil layers 30-60 cm was larger than that in soil layers 0-30 cm.There were some influence on the fertility of agricultural soils in different soil layers of expressway slope in Anxin area.
参考文献/References:
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备注/Memo
第一作者简介：杜娟（1983-），女，硕士，助理研究员，现主要从事农业生态学等研究工作。E-mail:dujuan0203@163.com.责任作者：李梦（1978-），女，硕士，助理研究员，现主要从事农业科学研究等工作。E-mail:bdlimeng@163.com.基金项目：河北省高等学校科学技术研究资助项目（Z2013014）。