泉港区水田土壤养分现状分析

The analysis of paddy soil nutrient status in Quangang district

对泉港区566个水田土壤样品进行养分测试与分析,结果表明:土壤有机质平均含量23.08 g/kg,83.57%的样品处于中低水平;碱解氮含量平均为115.11 mg/kg,95.05%样品的含量处于中等及缺乏水平;有效磷含量平均为14.82 mg/kg,处于缺乏水平的样品占54.06%;速效钾含量平均为61.73 mg/kg,81.27%的土样钾含量处于缺乏水平;土壤pH值偏低,81.62%的土样处于微酸性至强酸性水平。

The soil nutrient were tested and analyzed by collecting 566 samples of paddy soils in Quangang district.The results showed that the average contents of organic matter was 23.08 g/kg,83.57% of the samples were in a middle and low level;the alkali-hydrolyzable nitrogen content of paddy soil was 115.11 mg/kg,95.05% of the samples were in a middle and absent level;the available phosphorous content was 14.82 mg/kg,54.06% of the samples were at absent level;the available potassium content was 61.73 mg/kg,81.27% of the samples were at absent level;the value of pH was in a low level,81.62% of the samples were at acidic to strong acid level;each type of the soil nutrient content was slightly different.At present,paddy soil fertility of Quangang distcict overall was low,medium low level of organic matter,low nitrogen,low phospho rus and low potassium level.