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<p>The utilization of frass-based compost is getting popular, owing to the improvement of plant growth and productivity. The recycling of household and other organic waste using the black soldier fly larvae (BSFL) promotes sustainable agriculture. In this study, the investigation of the effect of frass-based compost combined with the inoculation of six promising PGPR isolates including <i>Brevundimonas</i> sp. CHTB2C, <i>Burkholderia</i> sp. CFTB2A, <i>Micrococcus</i> sp. TPK5B2, <i>Acinetobacter</i> sp. CBT2, <i>Burkholderia</i> sp. AD2.4, and <i>Burkholderia</i> sp. PK2.4 and half dose of chemical fertilizer was performed. The result showed that the treatment presented a higher number of leaves, above ground wet biomass, and the bulbs wet weight when compared to the control. In addition, the use of chemical fertilizer decreased bacterial diversity in the soil, which is disadvantageous for the ecosystem. On the other hand, the application of the frass-based compost combined with bacterial inoculation and half dose of chemical fertilizer enriched <i>Pseudomonas</i> and <i>Sphingomonas</i> in the rhizosphere, that might be beneficial for shallot growth. The study emphasized the benefits of the frass-based compost combined with bacterial inoculation that reduce the use of chemical fertilizer to up to 50% and therefore create more sustainable practices and promote a circular economy.</p>

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Governance of Plant Growth-promoting Rhizobacteria Combined with Soil Amendments of Frass-based Compost on the Dynamic of Rhizosphere Bacterial Community and Shallot Growth and Productivity

  • 期刊论文

  • 发表日期：

    2025年9月18日

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  • Zahra Noviana,
  • Dwi Agustiyani,
  • Tirta Kumala Dewi,
  • Agung Adi Nugroho,
  • Achirul Nditasari,
  • Entis Sutisna,
  • Nani Mulyani,
  • Riki Ruhimat,
  • Sarjiya Antonius

摘要

The utilization of frass-based compost is getting popular, owing to the improvement of plant growth and productivity. The recycling of household and other organic waste using the black soldier fly larvae (BSFL) promotes sustainable agriculture. In this study, the investigation of the effect of frass-based compost combined with the inoculation of six promising PGPR isolates including Brevundimonas sp. CHTB2C, Burkholderia sp. CFTB2A, Micrococcus sp. TPK5B2, Acinetobacter sp. CBT2, Burkholderia sp. AD2.4, and Burkholderia sp. PK2.4 and half dose of chemical fertilizer was performed. The result showed that the treatment presented a higher number of leaves, above ground wet biomass, and the bulbs wet weight when compared to the control. In addition, the use of chemical fertilizer decreased bacterial diversity in the soil, which is disadvantageous for the ecosystem. On the other hand, the application of the frass-based compost combined with bacterial inoculation and half dose of chemical fertilizer enriched Pseudomonas and Sphingomonas in the rhizosphere, that might be beneficial for shallot growth. The study emphasized the benefits of the frass-based compost combined with bacterial inoculation that reduce the use of chemical fertilizer to up to 50% and therefore create more sustainable practices and promote a circular economy.