Synergistic Regulation Effects of No-till Reseeding on the Vegetation-Soil-Livestock System in Degraded Grasslands
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
Affiliations
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
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.
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
.
DOI: 10.11733/j.issn.1007-0435.2026.02.027
基金
收起
国家自然科学基金重大项目 (32192462)
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