LIANG Meiting,SU Benying,LI Jing,et al.Effects of Enzyme Application Concentration on Growth and Development of Chinese Cabbage and Soil Environment[J].Northern Horticulture,2025,(3):48-55.[doi:10.11937/bfyy.20243129]
酵素施用浓度对小白菜生长发育及土壤环境的影响
- Title:
- Effects of Enzyme Application Concentration on Growth and Development of Chinese Cabbage and Soil Environment
- 文章编号:
- 1001-0009(2025)03-0048-08
- Keywords:
- resource utilization; environmental enzymes; plant growth; soil environment; microbial diversity
- 分类号:
- S 643
- 文献标志码:
- A
- 摘要:
- 以废弃水果制作的环保酵素为试材,采用盆栽控制试验法,设置不同施用浓度处理,研究了自制环保酵素对小白菜生长发育和土壤微生物群落结构的影响,以期为果蔬废弃物资源化利用提供参考依据。结果表明:与对照相比,酵素液稀释200倍和500倍后浇灌小白菜,能够显著提高小白菜叶片长度、叶片数量、叶绿素SPAD值、根系干质量和植株干质量,其中叶片长度分别提高20.6%和28.6%,叶片数量分别提高25.0%和31.3%,植株干质量分别提高16.8%和15.0%,根系干质量分别提高77.8%和90.7%,促进小白菜的生长,提高小白菜产量,但高浓度的酵素液(稀释50倍以下)浇灌则会抑制小白菜的生长发育,使小白菜减产。酵素液稀释200倍和500倍后浇灌小白菜,还能够有效提高小白菜植株钠、钙、锰、铁等矿物质含量,提高土壤细菌、丛生菌根真菌、放线菌等微生物多样性,微生物多样性提升幅度在44.2%以上,从而改善土壤生态环境。
- Abstract:
- Waste fruits were used to produce environmentally friendly enzymes,conducted pot control experiments,and different application concentrations were set up to study the effects of self-made environmentally friendly enzymes on the growth and development of Chinese cabbage and soil microbial community structure,and explored their application effects in vegetable cultivation,in order to provide reference for the resource utitlization of fruit and veqetalde waste.The results showed that compared with the control,watering Chinese cabbage with enzyme solution diluted 200 and 500 times significantly increased leaf length,number of leaves,chlorophyll value,root dry weight,and plant dry weight.Among them,leaf length increased by 20.6% and 28.6%,leaf number increased by 25.0% and 31.3%,plant dry weight increased by 16.8% and 15.0%,and root dry weight increased by 77.8% and 90.7%,respectively,promoting the growth and yield of Chinese cabbage.However,watering with high concentration enzyme solution (diluted less than 50 times) would inhibit the growth and development of Chinese cabbage and reduce its yield.After diluting the enzyme solution 200 times and 500 times,watering Chinese cabbage could effectively increase the mineral content such as sodium,calcium,manganese,and iron in the cabbage plant,and improve the diversity of soil bacteria,arbuscular mycorrhizal fungi,actinomycetes,and other microorganisms.The increase in microbial diversity was over 44.2%,thereby improving the soil ecological environment.
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备注/Memo
第一作者简介:梁美婷(2000-),女,硕士研究生,研究方向为农业环境科学。E-mail:2545042933@qq.com.责任作者:李海明(1971-),男,博士,教授,现主要从事废物资源化利用与土壤污染风险评估与修复等研究工作。E-mail:lhm@tust.edu.cn.基金项目:北京市科技计划资助项目(Z231100003723010);第二次青藏高原综合科学考察研究资助项目(2019QZKK0608)。收稿日期:2024-08-07