Acta Agrestia Sinica ›› 2025, Vol. 33 ›› Issue (9): 3118-3128.DOI: 10.11733/j.issn.1007-0435.2025.09.035

Previous Articles    

Effects of Potassium Fulvate Application on Oat Growth and Soil Quality in the Saline-Alkali Soils of the Qaidam Basin

WANG Jie1, LIU Xin-yue1, JIN Xin1, FU Yun-jie2, BAO Kui2, QUAN Zhi-xiu2, DANG Yu-hong2, XU Cheng-ti3,4,5, WANG Wei3,4,5, ZHANG Hai-juan6, LU Guang-xin1,3   

  1. 1. Agriculture and Animal Husbandry College of Qinghai University, Xining, Qinghai Province 810016, China;
    2. Qinghai Bensheng Grass Industry Co., Ltd., Delingha, Qinghai Province 817000, China;
    3. Northwest Key Laboratory of Cultivated Land Conservation and Marginal Land Improvement, Ministry of Agriculture and Rural Affairs, Delingha, Qinghai Province 817000, China;
    4. Qinghai University College of Animal Husbandry and Veterinary Sciences Xining, Qinghai Province 810003, China;
    5. National Grass Varieties Regional Test Station, Delingha, Qinghai Province 817000, China;
    6. Key Laboratory of Plateau Climate Change and Its Eco-environmental Effects, Qinghai Institute of Technology, Xining, Qinghai Province 810016, China
  • Received:2024-10-24 Revised:2024-12-12 Online:2025-09-15 Published:2025-09-22

施用黄腐酸钾对柴达木盆地盐碱地燕麦生长和土壤质量的影响

王杰1, 刘欣悦1, 金鑫1, 傅云洁2, 鲍奎2, 全志秀2, 党玉红2, 徐成体3,4,5, 王伟3,4,5, 张海娟6, 芦光新1,3   

  1. 1. 青海大学农牧学院, 青海 西宁 810016;
    2. 青海奔盛草业有限公司, 青海 德令哈 817000;
    3. 农业农村部西北耕地保育及边际土地改良重点实验室, 青海 德令哈 817000;
    4. 青海大学畜牧兽医科学院, 青海 西宁 810003;
    5. 国家草品种区域试验站, 青海 德令哈 817000;
    6. 青海理工学院青海省高原气候变化及其生态环境效应重点实验室, 青海 西宁 810016
  • 通讯作者: 张海娟,E-mail:lugx74@qq.com;芦光新,E-mail:1205590222@qq.com
  • 作者简介:王杰(1998-),女,汉族,甘肃武山人,硕士研究生,主要从事草地微生物资源与利用研究,E-mail:wangjie422022@163.com
  • 基金资助:
    国家自然科学基金区域创新发展联合基金项目根际合成菌群促进柴达木盆地盐碱地植被恢复的过程、机制和方法研究(U23A2043);青海理工学院“昆仑英才”人才引进科研项目(2023-QLGKLYCZX-014)资助

Abstract: To explore the effects of soil improvement measures on oat growth and soil quality in saline-alkali soils of the Qaidam Basin, a completely randomized block design was adopted, including a blank control (CK) and two application rates of potassium fulvate: 75 kg·hm-2 (A1) and 150 kg·hm-2 (A2). The efficacy of potassium fulvate application was assessed by analyzing soil salinization indicators, the soil quality index, and oat growth parameters. The results showed that application of potassium fulvate significantly reduced soil pH value, electrical conductivity , and sodium adsorption ratio (P<0.05), effectively mitigating soil salinization and adjusting soil pH. The application of potassium fulvate enhanced the nutrient status and soil quality index of saline-alkali soils, consequently improving soil quality and stimulating the development of oat biomass and root systems. In conclusion, potassium fulvate can be used as an effective soil conditioner to alleviate salt stress and promote oat growth in the saline-alkali soils of the Qaidam Basin.

Key words: Qaidam Basin, Saline-alkali soils, Potassium fulvate, Oats, Soil improvement

摘要: 为探究柴达木盆地盐碱地土壤改良措施对燕麦(Avena sativa L.)生长和土壤质量的影响,本研究采用完全随机区组设计,设置空白对照(CK)及75 kg·hm-2(A1)和150 kg·hm-2(A2)黄腐酸钾施用量处理,通过分析土壤盐碱化指标、土壤质量指数和燕麦生长指标,评价黄腐酸钾在柴达木盆地盐碱地土壤的应用效果。结果表明:施用黄腐酸钾显著降低了土壤pH值、电导率、钠吸附比(P<0.05),有效降低了土壤盐碱化程度,并改变了土壤酸碱度。施用黄腐酸钾可以改善盐碱地土壤的养分状况及土壤质量指数,从而提高土壤质量,促进了燕麦地上生物量积累和根系的发育。由此可见,黄腐酸钾可作为柴达木盆地盐碱地降低盐碱胁迫、促进燕麦生长的土壤调理剂。

关键词: 柴达木盆地, 盐碱地, 黄腐酸钾, 燕麦, 土壤改良

CLC Number: