土壤微生物对荒漠草原一年生和多年生牧草生长发挥的效应

doi:10.11733/j.issn.1007-0435.2026.01.007

草地学报 ›› 2026, Vol. 34 ›› Issue (1): 61-74.DOI: 10.11733/j.issn.1007-0435.2026.01.007

• 研究论文 • 上一篇

土壤微生物对荒漠草原一年生和多年生牧草生长发挥的效应

陈文美^1,2, 高卉^1,2, 胡海娜^1,2, 黄真真^1,2, 孙智^1,2, 李海港^1,2

1. 内蒙古农业大学资源与环境学院内蒙古自治区土壤质量与养分资源重点实验室, 内蒙古呼和浩特 010018;
2. 农业生态安全与绿色发展自治区高等学校重点实验室, 内蒙古呼和浩特 010018

收稿日期:2025-02-13 修回日期:2025-03-30 发布日期:2025-12-24
通讯作者: 李海港,E-mail:haigangli@imau.edu.cn
作者简介:陈文美（1999-），女，汉族，内蒙古赤峰人，硕士研究生，主要从事荒漠草原牧草生长研究，E-mail:15847759542@163.com；
基金资助:
内蒙古自治区自然科学基金：用于补播修复退化荒漠草原的豆科牧草根际微生物多样性及功能解析（2023QN03001）；国家自然科学基金：土壤氮磷养分调控荒漠草原豆科植物生存与生长的机制（32360072）和促进荒漠草原豆科植物补播建植根际功能微生物组构建及其促生机制解析（32460071）；国家重点研发计划子课题：人工牧草驱动的典型“土壤-作物-动物”系统耦合机制（2022YFD1900301）资助

The Effects of Soil Microorganisms on the Growth of Annual and Perennial Forages in the Desert Steppe

CHEN Wen-mei^1,2, GAO Hui^1,2, HU Hai-na^1,2, HUANG Zhen-zhen^1,2, SUN Zhi^1,2, LI Hai-gang^1,2

1. Key Laboratory of Soil Quality and Nutrient Resources of Inner Mongolia Autonomous Region, Resource and Environment College, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China;
2. Key Laboratory of Agricultural Ecological Safety and Green Development of Autonomous Region in Higher Education, Hohhot, Inner Mongolia010018, China

Received:2025-02-13 Revised:2025-03-30 Published:2025-12-24

摘要/Abstract

摘要： 探究土壤微生物与荒漠草原不同类型牧草之间的相互关系，对于维持和恢复荒漠草原生态系统至关重要。本研究以荒漠草原多年生牧草[短花针茅（Stipa breviflora Griseb）、沙生针茅（S. glareosa P. Smirn）、克氏针茅（S. krylovii）、无芒隐子草（Cleistogenes songorica （Roshev） Ohwi）]和一年生牧草[栉叶蒿（Neopallasia pectinata （Pall.） Poljak）]为研究对象，解析土壤微生物浓度对不同种类牧草生长发挥的增益效应。结果发现：（1）土壤微生物浓度对多年生牧草的生长发挥中性效应。主要是由细菌Sphingomonas、真菌Dominikia对其生长发挥的负效应与细菌norank_f_Longimicrobiaceae、真菌Rhizophlyctis发挥的正效应之间相互抵消的结果。（2）土壤微生物浓度对一年生牧草栉叶蒿生长发挥抑制效应，且随数量升高而增强。土壤微生物α多样性、根际土壤中Gemmatimonadaceae、Coprinopsis、Fusarium及非根际土壤中Rubrobacter、Peziza对其生长均产生抑制作用（P<0.05）。解析关键微生物类群，为后续相关微生物研究提供理论基础，以增强荒漠草原牧草生长的稳定性。

关键词: 土壤微生物, 荒漠草原, 一年生牧草, 多年生牧草, 增益效应

Abstract: The exploration of the mutual relationships between soil microorganisms and different types of forages in desert steppes is crucial for maintaining and restoring desert steppe ecosystems. In this study， perennial forages [Stipa breviflora Griseb， S. glareosa P. Smirn， S. krylovii， Cleistogenes songorica （Roshev） Ohwi] and annual forage [Neopallasia pectinata （Pall） Poljak] in desert steppes were taken as the research objects to analyze the enhancement effects of soil microbial concentration on different species of forages. The results showed that：（1） Soil microbial concentration exerted a neutral effect on the growth of perennial forags， mainly due to the mutual offset between the negative effects of bacteria Sphingomonas and fungi Dominikia and the positive effects of bacteria norank_f_Longimicrobiaceae and fungi Rhizophlyctis on their growth. （2） Soil microbial concentration exerted an inhibitory effect on the growth of annual forage Neopallasia pectinata， and this effect intensified with the increase in microbial quantity. Soil microbial α diversity， Gemmatimonadaceae， Coprinopsis， Fusarium in rhizospheric soil， and Rubrobacter， Peziza in non-rhizospheric soil all showed inhibitory effects on its growth （P<0.05）. The analysis of key microbial groups provides a theoretical basis for subsequent related microbial studies， so as to enhance the growth stability of forages in desert steppes.

Key words: Soil microorganism, Desert steppe, Annual forage, Perennial forage, Enhancement effect

中图分类号:

S812

陈文美, 高卉, 胡海娜, 黄真真, 孙智, 李海港. 土壤微生物对荒漠草原一年生和多年生牧草生长发挥的效应[J]. 草地学报, 2026, 34(1): 61-74.

CHEN Wen-mei, GAO Hui, HU Hai-na, HUANG Zhen-zhen, SUN Zhi, LI Hai-gang. The Effects of Soil Microorganisms on the Growth of Annual and Perennial Forages in the Desert Steppe[J]. Acta Agrestia Sinica, 2026, 34(1): 61-74.

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土壤微生物对荒漠草原一年生和多年生牧草生长发挥的效应

The Effects of Soil Microorganisms on the Growth of Annual and Perennial Forages in the Desert Steppe

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