丽水学院学报2024，Vol.46Issue(2)：48-53,6.DOI:10.3969/j.issn.2095-3801.2024.02.006
浙西南城市绿化土壤肥力综合评价
Comprehensive Evaluation of Urban Greening Soil Fertility in Southwest Zhejiang:A Case Study of Liandu District,Lishui
摘要
Abstract
Southwest Zhejiang is dominated by mountainous areas,and red and yellow soils are the main traits.In order to understand the soil fertility status in the construction of beautiful forest formations in this area,this paper took the urban greening soil of Liandu District of Lishui as the research object,and analyzed and evalu-ated the comprehensive fertility status,discussing the quality characteristics of regional greening soil fertility and providing a basis for scientific guidance on greening soil improvement and fertilizer cultivation.The results showed that the average soil volume weight was 1.38 g·cm-3,ranging from 0.90 to 1.70 g·cm-3.The average soil pH was 6.71 and ranged from 5.27 to 7.86.The average soil organic matter was 21.74 g·kg-1,and the average contents of available nutrients in soil,including alkaline nitrogen,available phosphorus and available potassium were 54.73 mg·kg-1,22.53 mg·kg-1 and 151.85 mg·kg-1 respectively.The alkaline nitrogen content was low,and only 65.63%of the soil samples met the quality standards of greening soil.The modified Nemero method was selected to comprehensively evaluate the quality of soil fertility.The medium grade was the largest,accounting for 75%.The poor grade accounted for 18.75%,and the good grade only accounted for 6.25%.When the compre-hensive index variation coefficient of soil fertility quality among sample points is large,the spatial difference is strong.The results of the comprehensive evaluation of greening soil fertility in Liandu District of Lishui showed that it was necessary to increase the application of organic fertilizers to improve the physicochemical properties of the soil and increase the contents of available nutrients such as nitrogen,phosphorus and potassium.关键词
土壤肥力/综合评价/丽水/理化性质Key words
soil fertility/comprehensive evaluation/Lishui/physicochemical properties分类
建筑与水利引用本文复制引用
刘术新,章慧青,吴伟森,陈立东,洪震,何小勇..浙西南城市绿化土壤肥力综合评价[J].丽水学院学报,2024,46(2):48-53,6.基金项目
浙江省科学技术厅重大科技专项重点农业项目"彩色森林功能性技术集成研究与示范——浙西南山区美丽林相改造关键技术集成研究与示范"(2015C02024) （2015C02024）
