Effects of Different Bacillus Species on Seedling Growth Using Kitchen Waste Compost Substrate

文献类型： 外文期刊

第一作者： Liu, Zheng

作者： Liu, Zheng;Wang, Jiasong;Xu, Fanghui;Jing, Chengdong;Yuan, Jingjing;Luo, Shixia;Chi, Huaju

作者机构：

关键词： kitchen waste; seedling substrate; cucumber; Bacillus species

期刊名称：POLISH JOURNAL OF ENVIRONMENTAL STUDIES （ 影响因子：1.3； 五年影响因子：1.4 ）

ISSN： 1230-1485

年卷期： 2025 年 34 卷 5 期

页码：

收录情况： SCI

摘要： This study investigated the effects of Bacillus subtilis, Bacillus amyloliquefaciens, and Bacillus velezensis on the growth of cucumber seedlings using kitchen waste compost substrate. The results indicated that B. subtilis and B. velezensis significantly improved chlorophyll content, leaf area, and biomass of cucumber seedlings. However, these Bacillus species did not enhance root growth. B. velezensis exhibited the highest growth-promoting effect based on the strength index and affiliation function method. All three Bacillus species significantly increased the electrical conductivity of the substrate but had no significant effect on the substrate's pH. Additionally, they did not significantly reduce the Na+and Cl-content of the substrate. The Bacillus treatments significantly elevated the content of alkaline dissolved nitrogen and fast-acting potassium compared to the control. However, B. velezensis resulted in significantly lower effective phosphorus content than the other treatments. Further research is recommended to address the residual salt ions from kitchen waste compost in substrates or soil to ensure the safe and effective use of kitchen waste compost in agricultural production.

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