草地学报 ›› 2026, Vol. 34 ›› Issue (1): 287-300.DOI: 10.11733/j.issn.1007-0435.2026.01.027
• 研究论文 • 上一篇
杨龙, 颜安, 谢开云, 刘伟, 冯晶晶, 安旗, 朱震, 崔荷婷, 张丽娟
收稿日期:2025-02-10
修回日期:2025-03-31
发布日期:2025-12-24
通讯作者:
谢开云,E-mail:xjndxky@xjau.edu.cn
作者简介:杨龙(1999-),男,汉族,新疆沙湾人,硕士研究生,主要从事草地管理与牧草生产研究,E-mail:yanglong99123@163.com;
基金资助:YANG Long, YAN An, XIE Kai-yun, LIU Wei, FENG Jing-jing, AN Qi, ZHU Zhen, CUI He-ting, ZHANG Li-juan
Received:2025-02-10
Revised:2025-03-31
Published:2025-12-24
摘要: 免耕补播是退化草地修复的重要措施之一,而补播草种能否在原生植被群落中生长和定居是退化草地免耕补播成败的关键。为明确施肥和镇压措施对免耕补播草种生长、草地群落特征和生物多样性的影响,本研究设置了3种免耕补播模式、5种施肥组合和2种镇压处理。结果表明:与对照处理相比,氮磷配施处理对3种补播模式草地群落特征具有显著影响,其中草地群落株高提高了23.91%~43.43%,盖度提高了7.07%~15.21%,密度及生物量分别提高了15.74%~51.94%和17.57%~36.78%;但对草地群落多样性无显著影响。与杂花苜蓿和无芒雀麦单一物种补播草地相比,同时补播杂花苜蓿和无芒雀麦草地植被的盖度和密度分别显著提高了3.01%~3.89%和6.45%~15.90%,草地Simpson优势度指数、Shannon-Wiener指数和Pielou均匀度指数等多样性指数分别显著提高了3.65%~9.70%,5.02%~9.38%和2.89%~8.97%;与不镇压处理相比,免耕补播后进行镇压的草地群落平均株高、盖度、密度及生物量分别提高了6.44%,0.76%,3.07%和11.37%;综合考虑,在退化草地中同时补播杂花苜蓿和无芒雀麦,并添加氮磷养分和进行镇压处理等措施能够提高草地生产力和恢复草地生态功能。
中图分类号:
杨龙, 颜安, 谢开云, 刘伟, 冯晶晶, 安旗, 朱震, 崔荷婷, 张丽娟. 施肥和镇压对免耕补播草地群落特征及多样性的影响[J]. 草地学报, 2026, 34(1): 287-300.
YANG Long, YAN An, XIE Kai-yun, LIU Wei, FENG Jing-jing, AN Qi, ZHU Zhen, CUI He-ting, ZHANG Li-juan. Effects of Fertilization and Compaction on the Community Characteristics and Diversity of No-till Reseeding Grassland[J]. Acta Agrestia Sinica, 2026, 34(1): 287-300.
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