土壤与作物2026，Vol.15Issue(1)：73-80,8.DOI:10.11689/sc.2025080101
亚热带红壤酸化稻田综合改良措施的比较研究
Comparison of integrated soil amendment measures for acidified paddy fields in subtropical red soil regions
摘要
Abstract
To explore efficient improvement modes for acidified soils,a field experiment was conducted in acidified paddy fields of Duchang County,Jiangxi Province.Based on conventional fertilizer application,five combination treatments were implemented including the addition of lime,Chinese milk vetch(Astragalus sinicus)green manure,and organic fertilizer.Soil acidification indica-tors,nutrient contents,and aggregate structure were evaluated.The results show that,compared with the conventional control,all treatments increase rice yield and significantly improve soil pH.The addition of Chinese milk vetch green manure on the basis of lime application significantly enhances soil available phosphorus content.The combination of conventional fertilizer+lime+organic fertilizer significantly increases the proportion of large soil aggregates.The treatment with a 30%reduction in chemical nitrogen fertilizer combined with lime,green manure,and organic fertilizer significantly raises soil pH to 5.01,reduces exchangeable aluminum by 19.7%,and increases the contents of alkali-hydrolyzable nitrogen,available phosphorus,and available potassium by 27.6%,152%,and 1.87%,respectively.Integrating reduced chemical fertilization with organic fertilizer,green manure,and lime demonstrates superior comprehensive performance in ameliorating acidified soils and enhancing rice yield,and provides a valuable reference for the improvement of similar acidified farmlands.关键词
酸化土壤/石灰/紫云英绿肥/有机肥/水稻产量Key words
acidified soil/lime/Chinese milk vetch/organic fertilizer/rice yield分类
农业科技引用本文复制引用
胡淼,周华,张爱华,江乔,何小林,黄静慧,邱超,曹松涛,刘腾云,吴敬芳..亚热带红壤酸化稻田综合改良措施的比较研究[J].土壤与作物,2026,15(1):73-80,8.基金项目
江西省科学院条件平台建设重大专项(2024TJPT002) （2024TJPT002）
都昌县2024年酸化耕地治理项目(JXAS20240302) （JXAS20240302）
都昌县2024年绿色种养循环农业试点项目(JXAS20240301). （JXAS20240301）
