大麦与谷类科学

为全面了解高邮市耕地质量现状，提升耕地质量水平，对高邮市耕地质量开展调查评价、等级划分和系统分析，结果表明：高邮市耕地质量加权平均等级为2.60，整体水平较高，其中二等地面积最大，为36 563.60 hm²。耕地三大利用类型中耕地质量等级高低表现为水田>水浇地>旱地，且全市耕地土壤有机质、全氮、有效磷、速效钾含量平均分别为36.13 g/kg、2.08 g/kg、26.15 mg/kg、146.73 mg/kg，均处于高等水平。

In order to comprehensively understand the current status of cultivated land quality in Gaoyou City and improve the level of cultivated land quality,the investigation evaluation,grading and systematic analysis of cultivated land quality in Gaoyou were conducted.The results show that the weighted average grade of cultivated land quality in Gaoyou is 2.60,and the overall level is high,The second-class area is the largest,which is 36 563.60 hm².In the three types of cultivated land,the quality grade of cultivated land is paddy field>irrigated land>dry land,and the average contents of organic matter,total nitrogen,available phosphorus and available potassium in the whole city are 36.13 g/kg,2.08 g/kg,26.15 mg/kg and 146.73 mg/kg,all of which are in high level.