作者：梁梅青,薛珺,范玉兰,李勋,彭良志*
作者单位：江西省脐橙工程技术研究中心,赣南师范学院,中国农业科学院柑桔研究所
摘要：采集赣南脐橙园土壤1 405个农化样和229个背景样,研究脐橙园土壤酸度的变化特征。试验结果表明,与背景土壤相比,赣南脐橙园农化土壤pH值平均下降了0.46个单位,pH值小于4.5的强酸性农化土壤占样本总数的45.7%,比背景样增加了近15个百分点,脐橙园土壤普遍酸化;不同种植年限脐橙园前4年土壤酸化趋势比较明显;不同土壤类型pH值下降最大的是紫色土,下降了1.36个单位。根据脐橙园土壤酸化特征及对脐橙园的现状调查,分析了土壤酸化的主要原因,提出了防止脐橙土壤酸化的调控措施。
关键词：赣南,脐橙园,土壤pH值,土壤酸化,调控
Title: Studies on Soil Acidification of Navel Orange Orchards in Ganzhou City,Jiangxi Province
Authors: LIANG Mei-qing,XUE Jun,FAN Yu-lan,LI Xun,PENG Liang-zhi
Abstract: Changes in soil pH values were investigated by analyzing 1 405 soil samples from navel orange orchards and 229 nearby virgin soil samples in Ganzhou city,Jiangxi province.The results showed that the average pH of the orchard soils was 0.46 unit lower than that of the virgin soils.The pH values of 45.7 % of the orchard soils were lower than 4.5,and the percentage was 15 percent higher than that of the virgin soils.It was found that a strong decease in pH values occurred in the first 4 years after the establishment of the new orchards.For different soil types,the greatest decrease of 1.36 units in pH was observed in purple soils.The factors that led to orchard soil acidification were analyzed,and the effective measures for the prevention of soil acidification were suggested on the bases of this study.
Key words: pH; Soil acidification; Navel orange orchard; Regulation
文献注录：梁梅青,薛珺,范玉兰,李勋,彭良志*. 赣南脐橙园土壤酸化特征研究 [J]. 中国南方果树. 2010, 04: 6-8+13.
基金: 国家科技支撑项目课题(2007BAD61B03);江西省教育厅科学技术研究项目(赣教技字[2008]298)资助
报/刊名：《中国南方果树》，发表于2010 / 第 04 期。
文献类型： [J] （文献级别：核心刊物）
页码：第 6-8+13 页 / 共4 页