A bio-indicator plant is an easily recognizable plant which, by growing spontaneously in one place, gives
indications on the properties of the soil where it grows.
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These properties result from the interaction between natural environmental conditions and cultural practices. The soil contains thousands of seeds, which will only germinate when conditions become favorable.
It is when these become the majority and “invasive” that it is necessary to consider modifying practices before it is too late. Rumex, big thistle, nettle, moss… These plants can become a real calamity for some farmers.
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