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September 2, 2026DiversityOpen Access

The Effects of Biofertilizer Derived from Fermentation Effluent on the Structure and Function of Microbial Communities in Maize Soils, Northeastern China

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Authors

ZLZ.T. LiHeilongjiang Academy of SciencesPLPin LvHeilongjiang Academy of SciencesZYZhimin YuHeilongjiang Academy of Sciences

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Overview

Field trial reveals altered fungal community structure and enhanced soil nutrients in maize fields, suggesting effective agricultural waste recycling for soil conservation.

Key Points

  • To investigate how a biofertilizer derived from fermentation effluent affects soil physicochemical properties, microbial community diversity, and functional potential in continuously cropped maize soils.
  • Conducted a field trial in continuously cropped maize soils with four treatments: conventional control (CK), macronutrients only (T1), macronutrients plus micronutrients (T2), and fermentation effluent combined with nutrients (T3).
  • Analyzed soil physicochemical properties and microbial community composition using standard soil assays, high-throughput amplicon sequencing, principal coordinate analysis with PERMANOVA, and redundancy analysis.
  • Biofertilizer application (T3) significantly increased soil electrical conductivity, available phosphorus, and alkali-hydrolysable nitrogen compared with other treatments, while total organic carbon and organic matter showed no significant differences.
  • Fertilization treatments significantly altered fungal community structure without significantly changing bacterial diversity, specifically enriching bacterial phyla Acidobacteriota, Actinobacteriota, and Firmicutes (including the genus Bacillus).
  • Redundancy analysis identified available potassium, available phosphorus, and pH as key drivers of microbial community structure, with functional gene inference predicting enhanced soil carbon and nitrogen cycling potential.

Cite This Study

Li et al. (2026) studied this question.

synapsesocial.com/papers/6a97e318c562ede874ec7abbhttps://doi.org/10.3390/d18090528
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