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: Weiting Ding;Huizhou Gao;Zhidong Qi;Liangjie Sun;Chengwei Zheng;Jinsong Huang;Vilim Filipović;Hailong He
作者机构:
关键词: Ground cover management;Meta-analysis;Orchard yield;Soil stoichiometry
期刊名称: Agriculture, Ecosystems and Environment
ISSN: 0167-8809
年卷期: 2025 年 384 卷
页码:
收录情况: SCIE(2025版)
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 °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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