GE Peilin,WANG Lingyun,MO Minghao,et al.Analysis on the Effects of Different Types of Sand Barriers on Soil Improvement in the Mobile Dune Along the Lakeside of Poyang Lake[J].Research of Soil and Water Conservation,2019,26(06):87-91.
鄱阳湖滨流动沙丘不同类型沙障土壤改良效应分析
- Title:
- Analysis on the Effects of Different Types of Sand Barriers on Soil Improvement in the Mobile Dune Along the Lakeside of Poyang Lake
- Keywords:
- soil improvement; sand barrier; mobile dune; Poyang Lake
- 分类号:
- S157.2
- 摘要:
- 为探讨鄱阳湖滨湖不同类型沙障对流动沙丘土壤的改良效应，设置了玉米秸秆和单叶蔓荆两种不同材料的沙障类型，以裸露沙丘为对照，2年后分析两种类型沙障对流动沙丘土壤含水率和化学性质的影响。结果表明：单叶蔓荆沙障对于0-40 cm土壤含水率的提高具有显著效果，玉米秸秆沙障对于土壤含水率无明显作用效果。两种沙障内0-20 cm表层土壤有机质含量分别是裸露对照的3.62，22.24倍，两种沙障对表土均具有显著的改良效果（p<0.05），单叶蔓荆沙障的改良效果更好；而在20-60 cm深层次土壤中，有机质含量未表现出显著差异。单叶蔓荆沙障除对土壤全氮无明显作用外，能有效提高全磷、碱解氮和速效磷的含量，分别是裸露对照的3.58，8.14，8.86倍，玉米秸秆沙障对土壤全氮、全磷、碱解氮和速效磷含量均无明显作用。综上，认为单叶蔓荆沙障是该地区流动沙丘土壤改良效果较理想的沙障材料。
- Abstract:
- In order to study the effect of different types of sand barriers on soil improvement in mobile dune in lakeside of Poyang Lake, two different types of sand barriers, corn straw and Vitex trigolia var. simplicifolia, were set, and the bare dune was taken as the control. The determination and analysis of the two types of sand barriers two years after the establishment showed that the Vitex trigolia var. simplicifolia sand barrier had the significant effect on the improvement of soil moisture content in 0-40 cm depth of soil, while the corn straw sand barrier had no significant effect on the soil moisture content; the contents of organic matter in the 0-20 cm soil layer in the corn straw sand barrier and Vitex trigolia var. simplicifolia sand barrier were 3.62 and 22.24 times of that of the control, respectively; these two kinds of sand barriers had the significant improvement effect on topsoil (p<0.05), and the Vitex trigolia var. simplicifolia sand barrier was better; however, there was no significant difference in the content of organic matter in 20-60 cm soil layer; the Vitex trigolia var. simplicifolia sand barrier could effectively improve the contents of total phosphorus, alkali-hydrolyzed nitrogen and available phosphorus, which were 3.58, 8.14 and 8.86 times of those of the control, but no obvious effect on soil total nitrogen was found, while corn straw barrier had no obvious effect on soil total nitrogen, total phosphorus, alkali-hydrolyzed nitrogen and available phosphorus. In conclusion, it is considered that the Vitex trigolia var. simplicifolia sand barrier is an ideal sand barrier material suitable for soil improvement of mobile dunes in this area.
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备注/Memo
收稿日期:2019-06-04;改回日期:2019-07-01。
基金项目:江西省水利厅科技项目"鄱阳湖滨湖流动沙地植被恢复关键技术研究"（KT201723）；江西省土壤侵蚀与防治重点实验室开放研究资助项目"江西省分区水土保持植物筛选"（JXSB201803）；江西省重点研发计划项目"鄱阳湖滨湖沙地植被恢复关键限制因素及调控技术研究"（20192BBH80002）；江西省水利科技项目"水土保持植物连翘在南方典型红壤上的生长适应性研究"（KT201620），。"果园生草对AM真菌群落和土壤抗蚀性的影"（KT201719）
作者简介:葛佩琳(1988-),女,河南省驻马店市人,工程师,硕士,主要从事水土保持与园林景观研究、水土保持植物等方面的研究。E-mail:466404329@qq.com
通讯作者:段剑(1988-),男,江西省永新县人,工程师,博士,主要从事土壤侵蚀与植被恢复研究。E-mail:duanjian8807@163.com