安国市耕地土壤养分分布特征分析

Analysis on Distribution Characteristics of Soil Nutrients in Cultivated Land of Anguo City

为了解安国市土壤养分状况,采集了安国市7 900份土壤样品,并利用统计学方法对其养分含量进行了研究。结果表明:安国市耕地土壤有机质平均含量达到14.38 g/kg,与1980年调查数据相比呈现出明显的上升趋势;全市碱解氮含量平均为84.8 mg/kg,与1980年调查数据相比增加极为显著;全市有效磷、速效钾含量也均有显著提高;全市大部分地区的微量元素如铁、铜、锌、锰都在中等以上水平。

In order to understand the characteristics of soil nutrients in Anguo, a total of 7 900 soil samples were collected to determine nutrients contents by the method of statistics. The results showed that the content of soll organic matter were 14.38 g/kg in Anguo, which turned a rising trend compared with the data from 1980. The nitrogen content was 84.8 mg/kg, which was increased obviously. The contents of available P and available K were increased significantly. In the most areas of Anguo, the contents of micronutrient Fe, Cu, Zn and Mn were above the moderate level.