霞浦县耕地土壤养分现状及变化趋势

    Current status and changing trend of soil nutrient in farming land in Xiapu

    • 摘要: 分析霞浦县耕地土壤理化性状指标,结果表明:耕地土壤pH值5.20,呈酸性;土壤有机质含量32.34 g/kg,处于高水平;碱解氮含量94.11 mg/kg,处于缺乏水平;有效磷含量19.20 mg/kg,处于中等水平;速效钾含量75.95 mg/kg,处于缺乏水平,土壤全氮、全磷、全钾含量分别为1.07 g/kg、0.68 g/kg、24.53 g/kg。与第二次土壤普查数据进行比较,霞浦县耕地土壤酸化比较严重,有机质、全氮、全磷、有效磷、全钾含量均不同程度上升,速效钾含量下降。

       

      Abstract: Soil physiochemical properties of the farming land in Xiapu were analyzed. The results showed that the pH value was 5.2, appearing to be acid; the organic matter content was 32.34 g/kg with high level; the alkali-hydrolyzable N content was 94.11 mg/kg, which appeared to be insufficient; available P content was 19.20 mg/kg with middle level; the available K content was 75.95 mg/kg, being insufficient level; the contents of total N, total P and total K were respectively 1.07 g/kg, 0.68 g/kg, and 24.53 g/kg, which were all middle level. Compared with the results of the second soil general investigation, the soil of farming land in Xiapu were severe acidification, the contents of organic matter, total N, total P and available P and total K were all increased to some distance, but the content of available K were decreased.

       

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