The Role of Bacillus in Organic Fertilisation
What is Bacillus?
The Role of Bacillus in Organic Fertilisation
Bacillus is a genus of gram-positive, rod-shaped bacteria that are found in a wide variety of environments, including soil, water, and food. Some species of Bacillus are known to have beneficial effects on plants and can be used as natural fertilisers. In this article, we will review the current state of research on the positive effects of Bacillus in organic fertilisation.
One of the main benefits of using Bacillus as a fertiliser is its ability to improve plant growth and yield. Bacillus subtilis, for example, has been shown to promote the growth and development of rice and wheat crops. In a study published in the journal Applied and Environmental Microbiology, researchers found that the application of Bacillus subtilis to rice plants increased plant biomass and grain yield by 20-30% compared to control plants.
Bacillus megaterium is another species that has been shown to have positive effects on plant growth. It has been used as a biofertilizer for a variety of crops, including rice, wheat, maize, and vegetables. In a study published in the journal Plant and Soil, researchers found that the application of Bacillus megaterium to maize plants increased plant height, leaf area, and grain yield by up to 50% compared to control plants.
In addition to promoting plant growth and yield, Bacillus species can also help plants tolerate stress and protect against certain diseases. Bacillus subtilis, for example, has been shown to enhance the tolerance of rice plants to drought stress. In a study published in the journal Environmental and Experimental Botany, researchers found that the application of Bacillus subtilis to rice plants increased their survival rate under drought conditions by 50% compared to control plants.
Bacillus species can also protect plants against certain diseases. Bacillus subtilis, for example, has been shown to have antifungal properties and can protect plants against certain fungal diseases. In a study published in the journal Plant Pathology, researchers found that the application of Bacillus subtilis to tomato plants reduced the incidence of fungal diseases by up to 80% compared to control plants.
In conclusion, Bacillus species have the potential to be effective and safe natural fertilisers for a variety of crops. Their ability to promote plant growth and yield, tolerate stress, and protect against diseases make them attractive alternatives to synthetic fertilisers. Further research is needed to fully understand the mechanisms behind the positive effects of Bacillus on plants and to optimise their use as fertilisers.
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