SUN Hongxin,LEI Xuyang,YANG Zhengzheng,et al.Regulatory Effect of Soil Fertility and Improvement Agents on the Saline-alkali Tolerance of Chinese Cabbage[J].Northern Horticulture,2026,(3):76-84.[doi:10.11937/bfyy.20252274]
土壤培肥改良剂对大白菜耐盐碱的调控效应
- Title:
- Regulatory Effect of Soil Fertility and Improvement Agents on the Saline-alkali Tolerance of Chinese Cabbage
- 文章编号:
- 1001-0009(2026)03-0076-09
- Keywords:
- soil fertilizer conditioner; saline-alkali; Chinese cabbage; growth promotion; soil fertility improvement
- 分类号:
- S634.1
- 文献标志码:
- A
- 摘要:
- 以滨海盐碱地为研究对象，以大白菜为试材，采用盆栽试验方法，研究了不同培肥改良剂对大白菜耐盐碱调控及盐碱土改良效应，以期为筛选最适培肥改良剂提供参考依据。结果表明：添加2种土壤培肥改良剂均能显著提高大白菜幼苗生物量及其耐盐性。与对照（CK）相比，施用培肥改良剂1（GL1）和培肥改良剂2（GL2）的株高、鲜质量分别增加46%~66% 和150%~268%，尤其是GL2处理促生效果最为显著。且施加GL2显著提高了细胞中过氧化氢的分解，同时缓解其渗透胁迫，降低了大白菜幼苗因盐碱胁迫造成的细胞膜氧化。施加培肥改良剂降低了地上部和根部Na+/K+比，进而提高了大白菜幼苗的耐盐碱性。施用2种培肥改良剂后土壤pH较CK显著降低了3.08%~4.15%，且有效磷提高808%~814%，有效钾提高44%~48%，说明2种培肥改良剂均对盐碱土具有显著的改良及培肥效应，尤其是GL2。
- Abstract:
- Taking coastal saline-alkali land as the research subject and Chinese cabbage as the test material,a pot experiment was conducted to study the effects of different fertilization amendments on the saline-alkali tolerance regulation of Chinese cabbage and the improvement of saline-alkali soil,in order to provide a reference for the selection of optimal fertilization amendments.The results showed that adding two types of soil fertilizer conditioners significantly increased the biomass and saline-alkali tolerance of Chinese cabbage seedlings.Compared with the control (CK),the plant height and fresh weight of seedlings treated with fertilizer conditioner 1 (GL1) and fertilizer conditioner 2 (GL2) increased by 46%-66% and 150%-268%,respectively,with GL2 showing the most significant growth-promoting effect.Additionally,GL2 application significantly enhanced the decomposition of hydrogen peroxide in cells,alleviated osmotic stress,and reduced cell membrane oxidation in Chinese cabbage seedlings caused by saline-alkali stress.The application of fertilizer conditioners decreased the Na+/K+ ratio in both shoots and roots,thereby improving the saline-alkali tolerance of Chinese cabbage seedlings.After applying the two fertilizer conditioners,the soil pH significantly decreased by 3.08%-4.15% compared with CK,while available phosphorus increased by approximately 808%-814% and available potassium increased by 44%-48%,indicating that both fertilizer conditioners had significant effects on improving and fertilizing saline-alkali soil,especially GL2.Ultimately,fertilizer conditioner 2 was identified as the optimal conditioner.
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备注/Memo
第一作者简介：孙洪欣（1990-），女，博士，讲师，现主要从事盐碱地改良与利用等研究工作。E-mail：sunhongxin@hevute.edu.cn.基金项目：河北科技工程职业技术大学博士科研启动经费资助项目（BS20240102）；邢台市市级科技计划资助项目（2024ZC403，2023ZZ097）；河北省自然科学基金资助项目（C2024108005）；河北省教育厅科学研究资助项目（BJ2025144）。收稿日期：2025-06-20