Aspergillus oryzae is a filamentous, spore-forming beneficial soil fungus used as a microbial inoculant and biostimulant to enhance nutrient availability, organic matter breakdown, and microbial balance in the rhizosphere. This plant growth-promoting fungus (PGPF) produces high levels of hydrolytic enzymes that accelerate lignin and cellulose degradation, making it a key agent for composting, nutrient cycling, and soil fertility improvement.
Used across diverse cropping systems, A. oryzae improves nitrogen availability, solubilizes phosphate and potassium, and enhances plant resilience under abiotic stress. Its compatibility with organic farming systems and microbial consortia makes it an effective soil probiotic and component of regenerative agriculture.
Main Functions:
Contributes to soil fertility by breaking down complex plant residues and organic material.
Improves nutrient access in low-fertility or alkaline soils.
Enhances plant performance under harsh growing conditions.
As a soil probiotic and beneficial microbe, A. oryzae enhances root vigor and microbial synergy.
Widely used as a composting fungus and fermentation agent in feed.
A non-pathogenic, GRAS-listed fungus suitable for sustainable farming applications.
Looking to buy agricultural microbes or source agricultural microbial strains for sale? Applied Biotech Industries is a microbial fertilizers manufacturer and beneficial microbes for plants supplier offering reliable fungal inoculants for composting, soil fertility, and regenerative agriculture. We offer wholesale biofertilizers, private-label blends, and custom fermentation solutions.
If you're searching for the best microbes for soil health or looking to buy biofertilizers online for composting or organic amendments, we’re a trusted microbial inoculants supplier serving growers, retailers, and distributors across the U.S. and internationally. Contact us today to buy fungal inoculants or learn where to source microbial fertilizers for your agricultural operation.
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A: Aspergillus oryzae is a filamentous, spore-forming plant growth-promoting fungus (PGPF) used as a microbial inoculant and soil probiotic. It supports organic matter decomposition, nutrient solubilization, and microbial activity in the rhizosphere. Common uses include composting, soil fertility enhancement, and livestock feed fermentation.
A: This fungus produces cellulases, amylases, proteases, and other enzymes that break down crop residues and organic matter. It releases key nutrients—nitrogen, phosphorus, potassium, and micronutrients—making them more available to plants. These actions improve nutrient access for crops and increase microbial diversity, making it a valuable soil fertility microbe.
A: Yes. A. oryzae is a widely used composting fungus employed to accelerate composting by degrading lignocellulosic material such as straw, manure, and plant debris. It also enhances silage and feed digestibility by improving amino acid content and palatability in fermented livestock rations.
A: You can purchase Aspergillus oryzae and other agricultural fungi directly through Applied Biotech Industries. We are a U.S.-based microbial inoculant supplier offering wholesale formats and private-label options for distributors, agribusinesses, and input companies.
A: We offer A. oryzae in bulk and wholesale formats suited for agricultural, composting, and feed applications in dry powder form in 22 lb pails, 44 lb pails and 340 lb drums (10 kg pails, 20 kg pails, and 155 kg drums).
A: Yes. It performs well in vegetables, field crops, orchards, greenhouses, nurseries, and compost-based systems. It is especially useful in degraded or nutrient-depleted soils where its enzymatic and nutrient-solubilizing activity improves soil function and plant access to nutrients.
A: Application methods include soil drenching, compost inoculation, seed treatment, and fertigation. It may also be used in microbial blends for compost piles or organic matter amendments. For best results, apply early in the crop or compost cycle to maximize microbial activity and decomposition.
A: Yes. It is a naturally occurring beneficial soil fungus and is considered suitable for organic and regenerative agriculture. Please confirm with your organic certifier that the specific formulation meets their requirements for approved inputs.
A: Generally yes. It works well with many microbial inoculants, including Bacillus spp., Trichoderma, and compost-based biofertilizers. However, avoid tank mixing with fungicides, strong oxidizers, or chemical inputs unless compatibility has been confirmed.
A: A. oryzae enhances plant resilience by improving antioxidant enzyme activity and supporting osmotic balance. It also performs well in acidic, saline, and degraded soils, making it a useful tool for land restoration, marginal fields, or low-input systems.
A: As a spore-forming strain, Aspergillus oryzae is stable for 1 year when stored in a cool, dry location, and up to 2 years under refrigerated conditions. Our formulation ensures long shelf life and reliable field performance.
A: You can purchase Aspergillus oryzae directly through Applied Biotech Industries or contact us for wholesale orders, distributor pricing, or custom fermentation services. We serve clients across North America and international markets.
A: Yes. We provide private-label manufacturing, microbial blending, and bulk packaging for distributors, agribusinesses, and input companies looking to expand their soil inoculant or composting product lines.
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