Brazil has the unfortunate habit of importing anything that someone says is better.

The problem with exotic earthworms here is so big that there is a trade in them over the internet, which is not regulated by anyone. On the other hand, there is research in the area and several comparisons on the efficiency of different varieties of earthworms when the objective is to decompose. However, at one time or another the worm colony is returned to the environment, and then the problem of uncontrolled proliferation begins.
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