[1]郭永忠,张桂馨,韩新生,等.不同促渗深度对红梅杏根系及土壤水分分布的影响[J].北方园艺,2025,(22):97-103.[doi:10.11937/bfyy.20251710]
　GUO Yongzhong,ZHANG Guixin,HAN Xinsheng,et al.Effects of Different Infiltration Promotion Depths on Soil Moisture and Root Distribution of Red Plum Apricot[J].Northern Horticulture,2025,(22):97-103.[doi:10.11937/bfyy.20251710]
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不同促渗深度对红梅杏根系及土壤水分分布的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 期数: 2025年22 页码: 97-103 栏目: 出版日期: 2025-11-30
Title:
Effects of Different Infiltration Promotion Depths on Soil Moisture and Root Distribution of Red Plum Apricot
文章编号:
1001-0009(2025)22-0097-07
作者:
郭永忠1; 张桂馨2; 韩新生1; 许浩1; 董立国1; 万海霞1
（1.宁夏农林科学院 林业与草地生态研究所,宁夏防沙治沙与水土保持重点实验室,宁夏生态修复与多功能林业综合研究中心,宁夏 银川750002；2.内蒙古农业大学 旱区水工程生态环境全国重点实验室，内蒙古 呼和浩特 010018）
Author(s):
GUO Yongzhong1; ZHANG Guixin2; HAN Xinsheng1; XU Hao1; DONG Liguo1; WAN Haixia1
(1.Institute of Forestry and Grassland Ecology,Ningxia Academy of Agricultural and Forestry Sciences/Ningxia Key Laboratory of Desertification Control and Soil and Water Conservation/Research Center for Ecological Restoration and Multi-Functional Forestry of Ningxia,Yinchuan,Ningxia 750002；2.State Key Laboratory of Water Engineering Ecology and Environment in Arid Area,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010018)
关键词:
促渗; 土壤水分; 根系分布; 杏
Keywords:
infiltration promotion; soil moisture; root distribution; apricot
分类号:
S 662.2
DOI:
10.11937/bfyy.20251710
文献标志码:
A
摘要:
以宁南山区四年生红梅杏树体为试材，采用管式TDR系统连续监测0～100 cm土壤水分动态的方法，研究了不同深度（0、30、50、70 cm）覆膜集雨促渗模式对土壤水分时空分布特征、根系分布的影响，以期为宁南山区旱作杏园高效集雨促渗技术的优化与应用提供参考依据。结果表明：0 cm和30 cm促渗模式显著改善浅层土壤水分，但对100 cm土层的水分增长效果有限，仅为0.17%和0.61%。相比之下，50 cm和70 cm促渗模式能有效且均匀地分配水分，降雨前后各土层水分增长均在3.00%~5.00%。30 cm促渗模式对土壤的影响范围主要局限于40 cm以内。根系分布分析表明，50 cm和70 cm促渗深度对根系生长及降水再分配效果最佳。综合考虑用工量和成本效益，50 cm促渗深度在改善土壤水分和根系分布方面效果最为显著。因此，建议在宁南山区旱作杏园实施整地覆膜并安装50 cm促渗管，以有效提高土壤水分利用效率，促进红梅杏根系向深层生长，并增强抗旱能力。
Abstract:
Taking four-year-old Hongmei apricot trees in the mountainous areas of southern Ningxia as the test material,and employing a tubular time-domain reflectometry (TDR) system to continuously monitor soil moisture dynamics at depths of 0-100 cm,the effects of different mulched rainwater harvesting and infiltration promotion modes (depths:0,30,50,70 cm) on the spatiotemporal distribution characteristics of soil moisture and root distribution were investigated,in order to provide reference for optimizing and applying efficient rainwater harvesting and infiltration promotion techniques in dryland apricot orchards in the mountainous areas of southern Ningxia.The results showed that infiltration depths of 0 cm and 30 cm significantly increased moisture in the shallow soil,but had minimal impact on the 100 cm layer,with respective increases of only 0.17% and 0.61%.In contrast,infiltration depths of 50 cm and 70 cm promoted more uniform water distribution,resulting in 3%-5% increases in soil moisture across all layers before and after rainfall.The effect of the 30 cm infiltration treatment was primarily limited to the upper 40 cm of soil.Root distribution analysis showed that 50 cm and 70 cm infiltration depths most effectively promoted deeper root growth and rainfall redistribution.Considering labor input and cost-effectiveness,the 50 cm infiltration depth was identified as the optimal choice for enhancing both soil moisture and root distribution.Therefore,it was recommended that dryland apricot orchards in southern Ningxia adapt mulching combined with 50 cm infiltration pipes to improve water use efficiency,encourage deeper root development,and enhance drought resistance.

参考文献/References:

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备注/Memo

第一作者简介：郭永忠（1975-），男，硕士，副研究员，现主要从事经济林栽培及水土保持等研究工作。E-mail:nxgyzh@163.com.责任作者：许浩（1979-），男，博士，副研究员，现主要从事生态修复等研究工作。E-mail:xuhao-cn@163.com.基金项目：宁夏自然科学基金资助项目（2019AAC03149）;宁夏农业科技自主创新资金资助项目（NGSB-2021-14-01,NGSB-2021-11-06,NGSB-2021-14-02）;宁夏自然科学基金资助项目（2025AAC031075）。收稿日期：2025-05-08

更新日期/Last Update: 2025-12-08