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2023 Vol.35, Issue 4 Preview Page

Research Article

Effect of Organic Fertilizers and Plant Growth-Promoting Microorganisms on Lettuce Growth

유기질 비료와 식물 생장촉진 미생물의 혼합 비율별 상추의 생육에 미치는 영향

Ki Byung Park1
,
In Kyu Lee2
,
Saeyoull Cho3*
박 기병1
,
이 인규2
,
조 세열3*
1Graduate Student, Department of plant medicine, Kangwon National University, Chuncheon 24341, Korea
2Graduate Student, Interdisciplinary Program in Smart Agriculture, Kangwon National University, Chuncheon 24341, Korea
3Professor, Department of plant medicine, Kangwon National University, Chuncheon 24341, Korea
1강원대학교 농업생명과학대학 생물자원과학부 식물의학전공 대학원생
2강원대학교 농업생명과학대학 스마트농업융합학과 대학원생
3강원대학교 농업생명과학대학 생물자원과학부 식물의학전공 교수
*Corresponding Author
31 December 2023. pp. 348-355
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Abstract

This study aimed to develop organic fertilizers that are more effective than existing ones via mixing plant growth-promoting microorganisms with them. The TB B1-B5 (Bacillus licheniformis) strain was isolated from the livestock composting process. Lettuce seed germination experiments and lettuce growth promotion tests were conducted with other plant growth-promoting microorganisms. The TB B1-B5 strain showed a superior germination promotion effect compared to other growth-promoting microorganisms and promoted lettuce growth in pot experiments. To mix organic fertilizers and the selected TB B1-B5 strains, experiments were conducted for each ratio of lettuce and organic fertilizers. Growth was excellent in the treatment with 1% organic fertilizers. In addition, the mixing ratio of 1% organic fertilizers and 5% TB B1-B5 strains promoted lettuce growth. Based on the results of this experiment, the optimal ratio of organic fertilizer and TB B1-B5 strains was confirmed; adding a mixture of 1% organic fertilizers and 5% TB B1-B5 strains was found to be more effective on plant growth than the input. The results of this study suggest the possibility of developing organic fertilizers that are superior to existing organic fertilizers and are believed to be an indicator for sustainable and eco-friendly agriculture practices in the future.

Keywords
Compost
Lettuce
Livestock
Microbial
Organic fertilizer
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Information
  • Publisher :Agriculture and Life Sciences Research Institute, Kangwon National University
  • Publisher(Ko) :강원대학교 농업생명과학대학 농업생명과학연구원
  • Journal Title :Journal of Agricultural, Life and Environmental Sciences
  • Journal Title(Ko) :농업생명환경연구
  • Volume : 35
  • No :4
  • Pages :348-355
  • Received Date : 2023-09-15
  • Revised Date : 2023-10-06
  • Accepted Date : 2023-10-17
  • DOI :https://doi.org/10.22698/jales.20230028
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