SUN Peng-fei,LI Wei,GUO Shao-xia.Effects of the Soil Characteristics of Four Different Types of Green Space on Plant Root Activity[J].HEILONGJIANG AGRICULTURAL SCIENCES,2016,(08):45-50.[doi:10.11942/j.issn1002-2767.2016.08.0045]
四种不同类型绿地土壤特征及其对植物根系活力的影响
- Title:
- Effects of the Soil Characteristics of Four Different Types of Green Space on Plant Root Activity
- 文章编号:
- 1002-2767（2016）08-0045-06
- Keywords:
- green space types; soil density; soil water content; root activity
- 分类号:
- S641.2
- 文献标志码:
- A
- 摘要:
- 为促进青岛市城市土壤的管理与改良，通过采集和分析青岛市城阳区街头绿地、广场绿地、居住区绿地和公园绿地土壤样品，比较分析不同乔木林下土壤紧实度、土壤含水量、土壤pH、土壤全氮、碱解氮、土壤全磷、速效磷、土壤速效钾和土壤有机质的差异及相关性，及其对植物根系活力的影响。结果表明：同一种植物在不同绿地类型中或不同植物在同一绿地类型中，土壤含水量、土壤紧实度、土壤全氮、碱解氮、土壤全磷、土壤速效钾、土壤有机质与根系活力表现出一定的相关性。土壤紧实度与土壤pH呈正相关，与土壤全氮、碱解氮、土壤全磷、速效磷、土壤速效钾和有机质含量呈负相关。随土壤紧实度升高，其含水量下降，pH增加，有机质、全氮和速效氮减少，全磷和速效磷流失明显，植物根系活力下降。
- Abstract:
- In order to promote the management and improvement of city soil for Qingdao, through the collection and analysis of the road green space, the green land, the residential green space and the park land soil samples in Chengyang district of Qingdao city, the differences and correlation between soil compactness, soil water content, soil pH, soil total N, alkali hydrolyzable nitrogen, soil total P, available P, available K, and organic matter in different tree forest were compared and analyzed, as well as its effect on plant root activity. The results showed that soil compactness, soil water content,soil total N, alkali hydrolyzable nitrogen, soil total P,available K, organic matter and root activity showed some correlation, which applied to the condition where the same kind of plants in the different kinds of greenbelt or different kinds of plants in the same greenbelt. Soil compactness was positively correlated with soil pH, and which was negatively correlated with soil total N, alkali hydrolyzable nitrogen, soil total P, available P, available K and organic matter. With soil compactness increasing, its water content decreased, soil pH increased, organic matter, total nitrogen and alkali hydrolyzable nitrogen, soil total P and available P phosphorus loss, plant root activity decreased.
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备注/Memo
收稿日期：2016-07-16