In recent years, with the soil compaction, the degree of salinization has become more and more serious, and the problem of soil-borne diseases has become a problem for everyone. As a kind of biological fungicide, Bacillus subtilis has been highly hoped by more and more people. However, in practical applications, there are some misunderstandings. I would like to talk about the use of Bacillus subtilis based on my own knowledge of Bacillus subtilis.
1. What is Bacillus subtilis?
First of all, we should be clear, what is Bacillus subtilis? First of all, it is determined to be a bacterium, a genus of Bacillus, widely distributed in soil and spoiled organic matter, easy to breed in the hay juice, hence the name Bacillus subtilis.
Second, we need to know what role Bacillus subtilis plays in agricultural applications. Is it a medicine? Is it a fertilizer? Or a regulator? In my opinion, if used well, it is a medicine, a fertilizer, or a regulator. The research on the role and mechanism of Bacillus subtilis is very detailed. It is no need to say much. I have learned from the practical application and share the learning, discussion and improvement.
In order to use Bacillus subtilis, one condition must be met. "The sporophytes of Bacillus subtilis can be successfully transformed into vegetative bodies and take advantage of long-term survival and continue to reproduce."
Second, the use of the mechanism is divided into five steps
Stabilize the heel → antibacterial sterilization → improve the soil → promote roots and strong seedlings → increase production and quality
These five steps are a brief description of my mechanism of use of Bacillus subtilis.
Establishing a stable heel is a top priority and a prerequisite for Bacillus subtilis to function. The so-called stable foot is simply to form a dominant flora, then how to form a dominant flora? First, mix with fungicides (referring to fungi), first kill some pathogens, and second, mix with humic acid or seaweed fertilizer, Provide nutrients to the hay to facilitate its growth and reproduction. Third, apply more fully decomposed organic fiber containing coarse fiber.
Antibacterial sterilization can be divided into two aspects. First, the space is occupied, and the growth of the beneficial bacteria of the hay can occupy the limited position of the plant so that the pathogen cannot "land". Second, the grass itself can secrete some lytic substances so that the pathogens that "land" can no longer harm the plants.
The improved soil can be analyzed in three aspects. First, the soil structure is improved to promote the decomposition of organic matter in the soil into humic acid. Second, nitrogen fixation, phosphorus and potassium release, improve fertilizer utilization. Third, it produces substances similar to cytokinins and plant growth activins, and decomposes heavy metals and pesticide residues. As long as the first three steps above are done well, it is a matter of course to promote roots and strong seedlings and increase production and quality. It can be further explained why Bacillus subtilis is a drug: it is because Bacillus subtilis can occupy space, forcing pathogens to "land".
Why Bacillus subtilis is fat: it is because it can improve the fertilizer utilization rate by fixing nitrogen and dissolving phosphorus and potassium.
Why Bacillus subtilis is a regulator: it is because it can secrete substances such as acetic acid to promote the growth of plants.
Third, the correct use of Bacillus subtilis
First of all, early medication, it is best to put a layer of "armor" from the seedling stage; secondly, the soil is first disinfected with quicklime, bactericide, etc., and then combined with organic fertilizer. Finally, continuous use ensures that the dominant flora in the soil has an absolute advantage. If you use it in the right way, you will find that your return will definitely be greater than your contribution.
To quote an old expert, "It’s not a weapon is not good, but a user's kung fu problem." Let us practice together and use the "tool" to return our earth to a pure land.
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