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以贵州山银花种植区为研究对象,通过野外实地考察、选点取样、指标测定、评价方法筛选及土壤综合肥力系数计算等一系列的分析和研究,对研究区域3个样地进行肥力评价。结果表明:样地Ⅰ(坡顶)、样地Ⅱ(坡腰)和样地Ⅲ(坡脚)土壤pH平均值分别为4.59、4.41、4.63;有机质平均含量分别为22.18、21.9、25.39g/kg;全氮平均含量分别为0.99、0.89、1.00g/kg;碱解氮平均含量分别为129.85、90.67、99.91mg/kg;速效磷平均含量分别为13.44、15.41、18.35mg/kg;速效钾平均含量分别为122.00、81.50、77.75mg/kg。评价结果表明:样地Ⅰ、样地Ⅱ和样地Ⅲ的土壤肥力均属于肥沃水平,其中样地Ⅲ>样地Ⅰ>样地Ⅱ,土壤综合肥力系数(P综)分别为2.39、2.36和2.32。总体来看,山银花种植区土壤肥沃,其养分能满足山银花的生长。
A series of analysis and research were carried out on a series of analysis and research on the calculation of soil comprehensive fertility coefficient in the field of Guizhou mountain honeysuckle cultivated area through site inspection, spot selection, index determination, evaluation method screening and soil fertility evaluation. The fertility evaluation of three samples in the study area . The results showed that the average values of soil pH were 4.59, 4.41 and 4.63, respectively, and the average contents of organic matter were 22.18, 21.9 and 25.39 g / kg; the average content of total nitrogen were 0.99,0.89,1.00 g / kg respectively; the average content of alkaline nitrogen was 129.85,90.67 and 99.91 mg / kg respectively; the average contents of available phosphorus were 13.44, 15.41 and 18.35 mg / kg respectively; The average content was 122.00,81.50,77.75mg / kg. The results showed that the soil fertility of sample Ⅰ, sample Ⅱ and sample Ⅲ all belonged to the fertile level, of which sample Ⅲ> sample Ⅰ> sample Ⅱ, soil comprehensive fertility coefficient (P) were 2.39, 2.36 and 2.32. Overall, the soil is fertile in Shannon-Hirschsch farming area, and its nutrients can satisfy the growth of Shan-Yin.