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Abstract <p>The zoocomposts obtained by processing of commercial products (vegetables and fruit-and-vegetable mixtures) by <i>Hermetia illucens</i> larvae has been studied. The obtained zoocomposts are characterized by alkaline pH values (8.1–9.5) and a water content of 40–48%. The C/N ratio in vegetable zoocomposts is 19.5–20.1, while in the fruit-and-vegetable mixture this ratio is 13.6. All studied zoocomposts contained nitrogen, phosphorus, and potassium: the N : P : K ratio averaged 1.3 : 2.6 : 1. The composts are also characterized by high ammonium nitrogen content (up to 2500 mg N–NH<sub>3</sub>/100 g) and ability to fix nitrogen, indicating the presence of nitrogen-fixing bacteria. The numbers of microorganisms in zoocomposts ranged from 2.7 ± 0.5 to 11.9 ± 1.8 billion cells/g. According to the functional diversity, the microbial communities of the resulting zoocomposts are characterized as stable, sustainable microbial systems.</p>

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Biogenic Properties of Zoocompost Formed by the Black Soldier Fly Hermetia illucens Larvae during Bioconversion of Fruit and Vegetable Mixtures

  • 期刊论文

  • 发表日期：

    2025年12月1日

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  • N. V. Kostina,
  • M. V. Gorlenko,
  • K. A. Erokhina,
  • A. I. Bastrakov,
  • T. A. Kuznetsova,
  • N. A. Ushakova

摘要

Abstract

The zoocomposts obtained by processing of commercial products (vegetables and fruit-and-vegetable mixtures) by Hermetia illucens larvae has been studied. The obtained zoocomposts are characterized by alkaline pH values (8.1–9.5) and a water content of 40–48%. The C/N ratio in vegetable zoocomposts is 19.5–20.1, while in the fruit-and-vegetable mixture this ratio is 13.6. All studied zoocomposts contained nitrogen, phosphorus, and potassium: the N : P : K ratio averaged 1.3 : 2.6 : 1. The composts are also characterized by high ammonium nitrogen content (up to 2500 mg N–NH3/100 g) and ability to fix nitrogen, indicating the presence of nitrogen-fixing bacteria. The numbers of microorganisms in zoocomposts ranged from 2.7 ± 0.5 to 11.9 ± 1.8 billion cells/g. According to the functional diversity, the microbial communities of the resulting zoocomposts are characterized as stable, sustainable microbial systems.