YANG Wenyuan,GAO Yong,HAN Min,et al.Particle Size Characteristics and Soil Physical and Chemical Properties of Scrub Sand Pile Soils in Caragana tibetica[J].Northern Horticulture,2025,(2):76-84.[doi:10.11937/bfyy.20243363]
毛刺锦鸡儿(Caragana tibetica)灌丛沙堆土壤粒度特征与理化性质
- Title:
- Particle Size Characteristics and Soil Physical and Chemical Properties of Scrub Sand Pile Soils in Caragana tibetica
- 文章编号:
- 1001-0009(2025)02-0076-09
- Keywords:
- desert grasslands; Caragana tibetica scrub sand pile; soil particle size characteristics; soil physical and chemical properties; relevant relationship
- 分类号:
- S 153
- 文献标志码:
- A
- 摘要:
- 以荒漠草原区达茂旗毛刺锦鸡儿灌丛沙堆为研究对象，采用野外测量与室内试验分析相结合的方法，将毛刺锦鸡儿灌丛沙堆划分为小、中和大灌丛沙堆，研究了其不同规格灌丛沙堆土壤粒度特征与土壤理化性质的关系,以期为该区域荒漠草原防治、退化草地生态恢复提供参考依据。结果表明：1）不同规格毛刺锦鸡儿灌丛沙堆土壤粒度均以黏粒（13.72%~19.69%）和粉粒（46.18%~68.64%）为主；土壤粒度分布的分形维数范围在2.68~2.77。大、中灌丛沙堆土壤颗粒分布的分形维数高于小灌丛沙堆。2）0~5 cm土层有机质、速效磷、速效钾含量表现为小灌丛沙堆最高，5~10 cm和10~20 cm土层碱解氮含量表现为中灌丛沙堆最高，20~30 cm土层有机质与速效钾含量表现为中灌丛沙堆最高。3）土壤颗粒分布的分形维数与土壤理化性质密切相关，灌丛沙堆的大小及土层深度对土壤有机质、碱解氮、速效磷和速效钾含量均有一定影响。
- Abstract:
- Taking the burr mallow scrub sand piles of Damao Banner in the desert grassland area as the research object，the method of combining field measurements and indoor experimental analysis were used，the burr mallow scrub sand piles was classified into small，medium and big scrub sand piles，and the relationship between the soil particle size characteristics of the different sizes of the scrub sand piles and the soil physical and chemical properties was studied,in order to provide reference for the prevention and control of desert grasslands and the ecological restoration of degraded grasslands in the region.The results showed that,1) the soil particle sizes of different sizes of Caragana tibetica scrub sand pile were dominated by clay particles (13.72%-19.69%) and powder particles (46.18%-68.64%)；and the fractal dimensions of the distribution of soil particle sizes ranged from 2.68 to 2.77.The fractal dimension of soil particle size distribution was higher in the large and medium scrub sand pile than in the small scrub sand pile.2) The content of SOM，AP and AK in the 0-5 cm soil layer showed the highest in the small scrub sand pile，the highest in alkaline dissolved nitrogen in the 5-10 cm and 10-20 cm middle scrub sand pile，and the highest in organic matter and AK in the 20-30 cm middle scrub sand pile.3) Fractal dimensions of the distribution of soil particles were closely related to the physical and chemical properties of the soil，and the size of scrub sand pile and the depth of soil layer had some effects on the content of SOM，AN，AP and AK.
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备注/Memo
第一作者简介：杨文源（1998-），男，硕士研究生，研究方向为荒漠化防治。Email：15049399074@163.com.责任作者：高永（1962-），男，博士，教授，博士生导师，现主要从事荒漠化防治等研究工作。Email：13948815709@163.com.基金项目：国家自然科学基金资助项目（42267073）。收稿日期：2024-08-21