兰州大学机构库
Soil phosphorus availability mediates facilitation dynamic in maize-grass pea intercropping system
Zhu, Shuang-Guo1,2; Kiprotich, Wesly2,5; Cheng, Zheng-Guo2; Zhou, Rui3; Fan, Jing-Wei2; Zhu, Hao2; Wang, Wen-Ying4; Wang, Wei2; Wang, Ren-Qing1; Tao, Hong-Yan2; Xiong, You-Cai2,4
2023-10
Online publication date2023-08
Source PublicationSOIL & TILLAGE RESEARCH   Impact Factor & Quartile
ISSN0167-1987 ; 1879-3444
Volume234
page numbers11
AbstractThe intercropping-led diversified tillage is crucial for sustainable development in dryland agriculture. However, the plant-plant interaction transition and its effects on soil physiochemical characteristics along soil phosphorus (P) levels are not clear. To address this issue, maize-grass pea intercropping system was used to investigate the variations in plant-plant facilitation along soil P gradients (low- to high-P) and their effects on rhizosphere soil N and P availability and microbial biomass. The data showed that total net effect (NE) was always positive, indicating facilitative effects of intercropping on total community productivity. Specifically, the relative yield (RY) for both species was greater than 0.5 in the P-deficient soils, representing mutually facilitated effects. Yet, under the P-sufficient condition, maize and grass pea acted as facilitated species and facilitator respectively. Rhizosphere phosphatase activity was significantly enhanced in the P-deficient soils, accordingly fostering P mineralization for higher P availability and N utilization. The contents of microbial biomass carbon, nitrogen and phosphorus (i.e., MBC, MBN and MBP) were evidently elevated in intercropping systems than those of mono-culture. Also, global meta-analysis verified above phenomenon, showing that high P addition decreased facilitation intensity with type shift, regarding plant productivity, N and P utilization and vice versa. We confirmed a relatively full picture of P-driven facilitation intensity and type shift along stress gradients by field observation and meta-analysis. The findings provided a new insight of biodiversity in soil physiochemical traits and also revealed a critical mechanism affecting resource utilization in the P-limited soils.
KeywordIntercropping Facilitation and competition Relative yield Stress-gradient hypothesis Meta-analysis
PublisherELSEVIER
DOI10.1016/j.still.2023.105867
Indexed BySCIE
Language英语
WOS Research AreaAgriculture
WOS SubjectSoil Science
WOS IDWOS:001069332700001
Original Document TypeArticle
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/568422
Collection兰州大学
Corresponding AuthorXiong, You-Cai
Affiliation
1.Shandong Univ, Inst Ecol & Biodivers, Sch Life Sci, Qingdao 266237, Peoples R China;
2.Lanzhou Univ, Coll Ecol, State Key Lab Herbage Improvement & Grassland Agro, Lanzhou 730000, Peoples R China;
3.Yunnan Univ, Sch Ecol & Environm Sci, Kunming 650091, Peoples R China;
4.Qinghai Normal Univ, Lab Biodivers Format Mech & Comprehens Utilizat Qi, Xining 810008, Peoples R China;
5.Jomo Kenyatta Univ Agr & Technol, POB 62000, Nairobi 00200, Kenya
Recommended Citation
GB/T 7714
Zhu, Shuang-Guo,Kiprotich, Wesly,Cheng, Zheng-Guo,et al. Soil phosphorus availability mediates facilitation dynamic in maize-grass pea intercropping system[J]. SOIL & TILLAGE RESEARCH,2023,234.
APA Zhu, Shuang-Guo.,Kiprotich, Wesly.,Cheng, Zheng-Guo.,Zhou, Rui.,Fan, Jing-Wei.,...&Xiong, You-Cai.(2023).Soil phosphorus availability mediates facilitation dynamic in maize-grass pea intercropping system.SOIL & TILLAGE RESEARCH,234.
MLA Zhu, Shuang-Guo,et al."Soil phosphorus availability mediates facilitation dynamic in maize-grass pea intercropping system".SOIL & TILLAGE RESEARCH 234(2023).
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