福泉市植烟土壤主要养分状况分析

摘要

[目的]为了给福泉市烟区进行精准配方、平衡施肥提供参考。[方法]利用 GPS定位，在福泉市植烟土壤上相对均匀地采集了180份土样，并对土样的主要养分含量和 pH值进行了测定。[结果]福泉植烟土壤有机质、有效氮、有效磷和速效钾含量的平均值分别为26.8 g/kg、134.1 mg/kg、35.9 mg/kg 和222.1 mg/kg，变异系数分别为25.8%、21.4%、72.1%和55.3%；土壤 pH平均值为6.2，变异系数为15.3%。[结论]福泉市植烟土壤有机质、有效氮、有效磷和速效钾含量在总体上均丰富，但各乡镇之间差异较大，应根据养分丰缺情况和pH值，精准确定烤烟施肥种类和用量。%Objective] The research aimed to provide the reference for the precise formula and balanced fertilization of tobacco production in Fuquan City, Guizhou Province. [Method] 180 soil samples were gathered from Fuquan City by G1oba1 Position System (GPS) fixed position. The main nutrient contents and pH value were analyzed. [Result] The average contents of organic matter, available nitrogen, available phosphorus, available potassium in tobacco planting soil were 26.8 g/kg, 134.1 mg/kg, 35.9 mg/kg, and 222.1 mg/kg respectively, and the coefficient of vari-ation were 25.8%, 21.4%, 72.1%, and 55.3% respectively. The pH value of tobacco planting soil was 6.2, and the pH value coefficient of variation was 15.3%. [Conclu-sion] The organic matter, available nitrogen, available phosphorus, available potassi-um contents were abundant in the mass, but there were big difference among dif-ferent towns. The precise fertility types and precise fertility dosage should be deter-mined according to the main nutrient state and pH value of tobacco planting soil in Fuquan city.