巨尾桉人工林下种植小叶锦鸡儿对土壤质量的影响研究

发布时间：2018-10-31 17:29

【摘要】：2017年5月,对福建省福安市不同土地利用类型(撂荒地、5年生巨尾桉Eucalyptus grandis×E.urophylla人工林、巨尾桉人工林+小叶锦鸡儿3种Caragana microphylla林)土壤的理化性质进行分析,利用土壤退化指数(SDI)评价样地土壤质量。结果表明,0~30 cm的土壤容重:撂荒地巨尾桉人工林巨尾桉人工林+小叶锦鸡儿,总孔隙度:桉树人工林+小叶锦鸡儿巨尾桉人工林撂荒地,含水量、有机碳、全氮、碱解氮、有效磷和速效钾含量:巨尾桉人工林+小叶锦鸡儿撂荒地巨尾桉人工林;SDI:巨尾桉人工林+小叶锦鸡儿(0.167)撂荒地(0)巨尾桉人工林(-0.130)。因此巨尾桉林地土壤质量不同程度的退化情况,可以通过在巨尾桉人工林下种植小叶锦鸡儿修复土壤,提高土壤质量。
[Abstract]:In May 2017, the soil physical and chemical properties of different land use types (abandoned land, 5-year-old Eucalyptus grandis 脳 E.urophylla plantation, Caragana microphylla plantation) in Fuan City, Fujian Province, were analyzed. Soil quality was evaluated by soil degradation index (SDI). The results showed that soil bulk density of 30 cm: Caragana microphylla, total porosity, water content, organic carbon, total nitrogen, alkali-hydrolyzed nitrogen in eucalyptus plantations, Eucalyptus grandis plantations. The contents of available phosphorus and available potassium were as follows: Caragana microphylla was abandoned in the plantation of Eucalyptus grandis (Eucalyptus grandis); SDI: Eucalyptus grandis plantation (0.167) abandoned (0) Eucalyptus grandis plantation (- 0.130). Therefore the degradation of soil quality in Eucalyptus grandis forest can be improved by planting Caragana microphylla under the plantation of Eucalyptus grandis.
【作者单位】：宁德市农业科学研究所;
【基金】：福建省重点项目“豆科植物锦鸡儿对桉树林下土壤的修复技术应用”(2014S01040110)
【分类号】：S714

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