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The benefits of using corn steep liquor powder as the main substrate to produce microbial fertilizer
Release time:
2024-08-29
Experiments have shown that corn steep powder can achieve a high fermentation density without adding other nutrients, and the soluble phosphorus in it effectively promotes the growth of functional microorganisms. And corn steep powder is a cost-effective fertilizer raw material that can significantly reduce the production cost of microbial fertilizers;
1: Characteristics of corn steep liquor powder products
Corn steep liquor powder is extracted from fresh corn steep liquor. Containing NPK7-7-7; 43% protein; 35% amino acids, as well as various vitamins, mineral nutrients, sugars, and other bioactive molecules. Making corn steep liquor powder into bacterial fertilizer can enhance its nutritional value and utilize the microorganisms in the fertilizer to regulate the microbial community structure in the soil, promoting healthy plant growth.
2: Advantages of using Corn steep powder as the main substrate to produce microbial fertilizers
One of the key factors affecting the quality of microbial fertilizers is the number of functional microorganisms contained in the fertilizer. Experiments have shown that corn steep powder can achieve a high fermentation density without adding other nutrients, and the soluble phosphorus in it effectively promotes the growth of functional microorganisms. And corn steep powder is a cost-effective fertilizer raw material that can significantly reduce the production cost of microbial fertilizers; This gives corn steep liquid a significant advantage in substrate selection for biological fertilizers.
Adding 4% glucose can enhance the phosphorus solubilization ability of microorganisms such as Aspergillus niger in corn steep water fermentation broth and increase the number of viable bacteria in fertilizers. This may be due to factors such as increased phosphatase activity after glucose addition.
3:Selection of strains suitable for corn steep solids
The experimenters collected 9 industrial strains for experiments in corn steep liquor medium, and finally screened the 3 most suitable strains for corn steep powder based on their phosphorus solubilization ability, protein hydrolysis ability, and cell growth ability: Bacillus subtilis 3301 had the highest number of growing bacteria; Bacillus licheniformis has the highest ability to hydrolyze proteins; Aspergillus niger has the highest ability to dissolve phosphorus.
In addition, Bacillus licheniformis can produce indole-3-acetic acid (IAA), iron chelators, and soluble phosphates, which have the characteristic of promoting the growth of plant microorganisms. Bacillus subtilis plays a significant role in the production of indole-3-acetic acid, biological control, soil remediation, and promotion of plant growth. Therefore, the above are ideal strains for developing multifunctional biofertilizers using corn steep liquor as a substrate.
Due to the mutual promotion between different strains, multiple strains can also be inoculated for symbiotic fermentation. Symbiotic fermentation has the advantages of higher total bacterial growth, increased soluble phosphorus content, and increased amino acid nitrogen content.
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Specifically, when the culture medium contained 5 g/L Corn Steep Liquor Liquid and 7.6 g/L sodium glutamate, the absorbance of the red pigment reached 20.7 U, compared to only 12.4 U in the control. This indicates that the addition of Corn Steep Extract significantly increased red pigment production.
Benefits of Adding Corn Steep Liquor Powder to Feed Fermentation
Adding corn steep liquor powder to feed fermentation can positively impact the fermentation process and final results in multiple ways, including nutritional supplementation, fermentation efficiency, and cost control.
Organic farm: Corn Steep Liquor Powder are promoters of tomato seedling growth
Corn steep liquor dry powder has a balanced ratio of NPK 7-7-7 and is 100% soluble in water. It is rich in up to 60% organic matter, which can transport a large amount of carbon source to the soil and effectively improve the physical and chemical properties of the soil. The protein content of Corn Steep Powder is not less than 42%, and the total amino acid content is not less than 35%. These nutrients can be directly absorbed and utilized by crops, providing sufficient nitrogen source guarantee for the growth of tomatoes.
Corn steep liquor powder has a cost advantage and more comprehensive nutrition than amino acid powder. The two can form a synergistic effect in the application of agricultural fertilizers through nutritional complementarity, fertilizer efficiency enhancement and cost optimization, which can achieve the improvement of fertilization effect and optimization of economic benefits.
Corn Steep Liquor Powder: The "Nutritional Engine" in Industrial Fermentation
In the fields of bio-pharmaceuticals, amino acid production, and enzyme preparation production within industrial fermentation, the quality of fermentation media raw materials directly impacts the production efficiency and product quality of microbial fermentation. As a practitioner in the industrial fermentation sector, are you searching for a high-quality fermentation raw material that can enhance production efficiency, reduce costs, and improve product quality? Corn Steep Liquor (CSL) powder is your optimal choice.
Corn Steep Liquor Powder: A New Choice for Organic Agricultural Fertilizers
Selecting an efficient and eco-friendly organic fertilizer is crucial for enhancing soil quality and promoting crop growth. Corn Steep Liquor (CSL) powder emerges as a novel option in the realm of organic agricultural fertilizers.
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