Transport of colloidal phosphorus in runoff and sediment on sloping farmland in the purple soil area of south-western China
文献类型： 外文期刊
作者： He, Xiaoling 1 ; Zheng, Zicheng 1 ; Li, Tingxuan 1 ; He, Shuqin 2 ; Zhang, Xizhou 1 ; Wang, Yongdong 1 ; Huang, Huagang 1 ; Yu, Haiying 1 ; Liu, Tao 1 ; Lin, Chaowen 3 ;
作者机构： 1.Sichuan Agr Univ, Coll Resources, 211 Huiming Rd, Chengdu 611130, Sichuan, Peoples R China
2.Sichuan Agr Univ, Coll Forestry, 211 Huiming Rd, Chengdu 611130, Sichuan, Peoples R China
3.Sichuan Acad Agr Sci, Soil & Fertilizer Res Inst, Chengdu 610066, Sichuan, Peoples R China
关键词： Colloidal phosphorus; Surface runoff; Subsurface runoff; Sediment; Sloping farmland; Purple soil
期刊名称：ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH （ 影响因子：4.223； 五年影响因子：4.306 ）
ISSN： 0944-1344
年卷期： 2019 年 26 卷 23 期
页码：
收录情况： SCI
摘要： Colloidal particles in runoff could play an important role in phosphorus (P) transfer from sloped farmland to waterbodies. We investigated the distribution of P in different-size particles from a purple soil and colloidal phosphorus (CP) loss in runoff and sediment from sloped farmland in south-western China. The profile distribution of P showed obvious surface accumulation. The risk of P loss in topsoil was greater than those of the other soil layers on sloping farmland of purple soil. The concentration of soil particles of <0.002mm in purple soil profiles was low, but the total phosphorus (TP) and available phosphorus (AP) concentrations of soil particles of <0.002mm were high. During a rainfall event, CP loss is significantly power function related to the runoff yield rate, and is linearly related to the sediment yield rate. The majority of P in runoff was CP. The total loss of CP in runoff was 139.52gha(-1), in which surface runoff accounted for 64.3%. CP loss can be controlled by controlling runoff from sloping farmland, especially surface runoff. Our results suggest that CP loss should be valued in the process of nutrient loss, as well as CP transfer should be given greater consideration in the mechanistic studies of the P transfer process.
- 相关文献
作者其他论文 更多>>
-
Molecular Mechanism Underlying the Sorghum sudanense (Piper) Stapf. Response to Osmotic Stress Determined via Single-Molecule Real-Time Sequencing and Next-Generation Sequencing
作者：Liu, Qiuxu;Wang, Fangyan;Xu, Yalin;Lin, Chaowen;Li, Xiangyan;Xu, Wenzhi;Wang, Hong;Zhu, Yongqun
关键词：Sorghum sudanense; galactose metabolism; osmotic stress; single-molecule real-time sequencing
-
Effects of the Combining Straw Return with Urease Inhibitor on Ammonia Volatilization, Nitrogen Use Efficiency, and Rice Yield in Purple Soil Areas
作者：Wang, Hong;Yao, Li;Zhang, Qi;Lin, Chaowen;Liu, Haitao;Luo, Fuxiang;Chen, Honglin;Hu, Kelin
关键词：ammonia volatilization; straw incorporation; urease inhibitor; rice yield; fertilizer N use efficiency
-
Nutrient use efficiency has decreased in southwest China since 2009 with increasing risk of nutrient excess
作者：Liao, Guitang;Xu, Chenghua;Liao, Guitang;Wang, Yongdong;Yu, Haiying;Li, Tinxuan;He, Peng;Lin, Zhengyu;Dai, Tianfei
关键词：
-
The effect of strip orientation and width on radiation interception in maize-soybean strip intercropping systems
作者：Liu, Haitao;Chen, Shanghong;Guo, Song;Tian, Jing;Yao, Li;Lin, Chaowen;Liu, Haitao;Li, Baoguo
关键词：maize-soybean strip intercropping; PAR interception; strip orientation; strip width
-
Evaluation of tillage effect on maize production using a modified least limiting water range approach
作者：Liu, Haitao;Lin, Chaowen;Tian, Jing;Yao, Li;Zhou, Hu;Li, Baoguo
关键词：
-
Identification of novel drought-responsive miRNA regulatory network of drought stress response in common vetch (Vicia sativa)
作者：Zhu, Yongqun;Liu, Qiuxu;Xu, Wenzhi;Yao, Li;Wang, Xie;Wang, Hong;Xu, Yalin;Duan, Chunhua;Lin, Chaowen;Li, Linxiang;Yi, Zhixin
关键词：common vetch; Vicia sativa; microRNA; drought stress; high-throughput sequencing; target gene
-
The Effect of Biogas Slurry Application on Biomass Production and Forage Quality of Lolium Multiflorum
作者：Xu, Wenzhi;Zhu, Yongqun;Wang, Xie;Wang, Hong;Yao, Li;Lin, Chaowen;Ji, Lei
关键词：biogas slurry; biomass yield; forage quality; lolium multiflorum
