来宾市兴宾区蔗田土壤理化性质调查分析

Investigation and Analysis of Physical and Chemical Properties of Sugarcane Field Soil in Xingbin District of Laibin City

[目的]了解来宾市兴宾区蔗田土壤理化性质状况。[方法]以来宾市兴宾区蔗田土壤为研究对象,对其含水率、pH、有机质、总碳、全钾、全磷、全氮、速效钾、有效磷等理化指标进行分析和检测。[结果]兴宾区蔗田土壤整体呈偏酸性,pH平均值为5.4,有机质含量0.73%~2.60%;全氮、全磷、全钾含量分别在0.049%~0.210%、0.017%~0.093%、0.044%~0.130%,均呈很缺或极缺水平;速效钾含量在46.21~146.67 mg/kg呈缺乏水平;有效磷分布差异较大,在0.97~302.10 mg/kg。[结论]广西来宾市兴宾区土壤养分整体情况较差,为推进来宾市糖料蔗绿色高产高糖产业发展,可通过改良机耕、施肥、灌溉等农业种植方式,改善蔗田土壤养分状况。

[Objective]To understand the physical and chemical properties of sugarcane field soil in Xingbin District of Laibin City.[Method]Taking the sugarcane field soil in Xingbin District of Laibin City as the research object,its water content,pH,organic matter,total carbon,total potassium,total phosphorus,total nitrogen,available potassium,available phosphorus and other physical and chemical indicators were analyzed and tested.[Result]The overall soil of sugarcane field in Xingbin District was strongly acidic,with an average pH of 5.4 and organic matter content of 0.73%-2.6%.The contents of total nitrogen,total phosphorus and total potassium were 0.049%-0.210%,0.017%-0.093%,0.044%-0.130%respectively,all showing very or extremely lacking levels.The content of available potassium ranged from 46.21 to 146.67 mg/kg,showing a deficiency level;the distribution of available phosphorus was quite different,ranging from 0.97 to 302.10 mg/kg.[Conclusion]The overall situation of soil nutrients in Xingbin District of Laibin City was poor.In order to promote the development of green,high-yield and high-sugar industry of sugarcane in Laibin City,soil nutrients in sugarcane field should be improved by improving agricultural planting methods such as machine ploughing,fertilization and irrigation.