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以长沙市城乡交错带的湿地松人工林为研究对象,利用常规分析方法对湿地松人工林土壤的主要特性指标进行了分析.结果表明:湿地松人工林土壤含水量低,不利于植物生长发育;有机碳含量随着土壤深度的增加而逐渐下降;土壤总体呈酸性,各层土壤pH值自上而下呈上升趋势,土壤有机碳与土壤pH值呈显著负相关(r=-0.685,p<0.05);总氮含量处于高富集水平,土壤有机碳与土壤总氮之间存在显著线性相关(r=0.887,p<0.05);土壤总磷量和速效磷都贫乏,总钾和速效钾均处于贫乏水平.
The main characteristics of the soil in the Pinus elliottii plantation were analyzed by using the routine analysis method, and the results showed that the soil moisture content of the Pinus elliottii plantation was low, which was unfavorable to plant growth and development (P <0.05). The content of organic carbon decreased gradually with the increase of soil depth, and the soil was acidic in general. The pH value of soil in all layers showed an upward trend from top to bottom. Soil organic carbon had a significant negative correlation with soil pH (r = -0.685, p <0.05). The total nitrogen content was highly enriched, and there was a significant linear correlation between soil organic carbon and soil total nitrogen (r = 0.887, p <0.05) Potassium are at a poor level.