Synergistic Regulation Effects of No-till Reseeding on the Vegetation-Soil-Livestock System in Degraded Grasslands

doi:10.11733/j.issn.1007-0435.2026.02.027

Acta Agrestia Sinica ›› 2026, Vol. 34 ›› Issue (2): 653-662.DOI: 10.11733/j.issn.1007-0435.2026.02.027

Synergistic Regulation Effects of No-till Reseeding on the Vegetation-Soil-Livestock System in Degraded Grasslands

XU Zi-ying¹, LIU Meng-ge¹, SHI Juan¹, FENG Zi-xuan¹, YANG Xia², LI Hong-mei², GUO Xiao-jing², YANG Jun-wei², FAN Ya-dong³, ZHANG Ying-jun¹, JING Jing-ying¹

1. College of Grassland Science and Technology, China Agricultural University, Beijing 100193, China;
2. Grassland Workstation, Yuyang District, Yulin City, Yulin, Shannxi Province 719000, China;
3. Beijing Debon Dawei Technology Co., LTD, Beijing 100176, China

Received:2025-04-09 Revised:2025-05-27 Published:2026-01-22

免耕补播对退化草地植被-土壤-畜牧系统的协同调控效应

许紫莹¹, 刘梦鸽¹, 石娟¹, 冯恣萱¹, 杨霞², 李红美², 郭晓静², 杨军卫², 范亚东³, 张英俊¹, 荆晶莹¹

1. 中国农业大学草业科学与技术学院, 北京 100193;
2. 榆林市榆阳区草原工作站, 陕西榆林 719000;
3. 北京德邦大为科技股份有限公司, 北京 100176

通讯作者: 荆晶莹，E-mail:Jingying.jing@cau.edu.cn
作者简介:许紫莹（2001-），女，汉族，陕西韩城人，硕士研究生，主要从事草地生态与管理研究，E-mail:xvziying@163.com；
基金资助:
国家自然科学基金重大项目（32192462）资助

Abstract

Abstract: Grassland degradation is one of the major global ecological challenges， especially in the arid and semi-arid areas of northwest China， where degraded grassland seriously affects the ecosystem functions and the development of animal husbandry. In this study， a four-year field experiment was conducted in Yuyang District， Shaanxi Province， and systematically evaluated the effects of reseeding and modern intensive grazing techniques on degraded grassland productivity， vegetation community structure， soil physicochemical properties， and meat quality of sheep. The results showed that reseeding significantly enhanced grassland productivity， particularly by increasing the biomass proportion of legumes， which increased soil nitrogen content and improved vegetation nutritional quality. In addition， principal component analysis （PCA） revealed that reseeding restructured plant communities to include more plants with high nutrtional value. Grazing on reseeded grassland increased amino acid content in sheep meat and enhanced its flavor. In general， reseeding technology plays a pivotal role in restoring degraded grassland and advancing sustainable development of animal husbandry， offering a scientific foundation for grassland management in arid and semi-arid areas.

Key words: Degraded grassland, Reseeding, Productivity, Soil nutrients, Forage quality

摘要： 草地退化是全球生态环境面临的主要挑战之一，尤其在中国西北干旱半干旱地区，退化草地严重影响生态系统功能与畜牧业发展。本研究在陕西榆阳地区开展了四年的野外试验，系统评估了免耕补播修复结合集约化牧养技术对退化草地生产力、植被群落结构、土壤理化性质及肉羊品质的影响。结果表明：补播显著提高了草地的生产力，特别是豆科植物的生物量占比增加，促进了土壤氮素积累和植被营养品质提升。此外，主成分分析（Principal component analysis，PCA）结果显示，补播改变了植物群落结构，使其包含更多高营养品种的物种。补播的草地进行放牧影响了肉羊的氨基酸含量，改善了肉质风味。整体而言，补播技术对退化草地的恢复及畜牧业的可持续发展具有重要意义，可为干旱半干旱地区草地管理提供科学依据。

关键词: 退化草地, 补播, 生产力, 土壤养分, 牧草品质

XU Zi-ying, LIU Meng-ge, SHI Juan, FENG Zi-xuan, YANG Xia, LI Hong-mei, GUO Xiao-jing, YANG Jun-wei, FAN Ya-dong, ZHANG Ying-jun, JING Jing-ying. Synergistic Regulation Effects of No-till Reseeding on the Vegetation-Soil-Livestock System in Degraded Grasslands[J]. Acta Agrestia Sinica, 2026, 34(2): 653-662.

许紫莹, 刘梦鸽, 石娟, 冯恣萱, 杨霞, 李红美, 郭晓静, 杨军卫, 范亚东, 张英俊, 荆晶莹. 免耕补播对退化草地植被-土壤-畜牧系统的协同调控效应[J]. 草地学报, 2026, 34(2): 653-662.

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Synergistic Regulation Effects of No-till Reseeding on the Vegetation-Soil-Livestock System in Degraded Grasslands

免耕补播对退化草地植被-土壤-畜牧系统的协同调控效应

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