Enhancing soil ecological stoichiometry and orchard yield through ground cover management: A meta-analysis across China
文献类型： 外文期刊
作者： Ding, Weiting 1 ; Gao, Huizhou 2 ; Qi, Zhidong 1 ; Sun, Liangjie 1 ; Zheng, Chengwei 1 ; Huang, Jinsong 1 ; Filipovic, Vilim 3 ; He, Hailong 1 ;
作者机构： 1.Northwest A&F Univ, Coll Nat Resources & Environm, Yangling 712100, Shaanxi, Peoples R China
2.Chinese Acad Agr Sci, Inst Agr Resources & Reg Planning, State Key Lab Efficient Utilizat Arid & Semiarid A, Beijing 100081, Peoples R China
3.Univ Queensland, Sch Agr & Food Sustainabil, St Lucia, Qld 4072, Australia
4.Univ Manitoba, Dept Soil Sci, Winnipeg, MB R3T 2N2, Canada
关键词： Ground cover management; Soil stoichiometry; Orchard yield; Meta-analysis
期刊名称：AGRICULTURE ECOSYSTEMS & ENVIRONMENT （ 影响因子：6.4； 五年影响因子：6.8 ）
ISSN： 0167-8809
年卷期： 2025 年 384 卷
页码：
收录情况： SCI
摘要： Ground cover management (GCM) is a critical agricultural practice that influences soil ecological stoichiometry (SES) and orchard productivity. However, its effects on soil carbon (C), nitrogen (N), and phosphorus (P) dynamics and their implications for fruit yield remain poorly understood. This study synthesizes 12,486 paired observations from 415 studies to assess the impact of GCM on soil SES and orchard yield across China. Results indicate that GCM significantly increases soil C (20.0 %), N (15.0 %), and P (13.0 %) concentrations, as well as C: N (4.9 %), C:P (6.6 %), and N:P (2.6 %) ratios, leading to a 13.9 % improvement in fruit yield. The effects of GCM vary with various management practices and environmental factors. Mowing enhances soil C (20.0 %) sequestration and yield (17.4 %) more effectively than no mowing (19.0 % C, 1.9 % yield). A random forest model identifies mean annual precipitation (MAP) and mean annual temperature (MAT) as key climatic drivers of SES and yield, with maximum yield benefits (14.5 %-18.2 %) observed in cooler, drier regions (MAP <= 600 mm, MAT <= 15 degrees C). These findings highlight GCM as a sustainable strategy for improving soil health and maintaining orchard productivity under variable climatic conditions.
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