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The Green Blog

The ecosystem of a <tc>terrarium</tc> closed plant

1 min de lecture
L’écosystĂšme d'un terrarium vĂ©gĂ©tal fermĂ© - La Green Touch

A terrarium closed plant, also called terrarium humid or terrarium tropical, is a closed jar composed of one or more small plants. Unlike the terrariums open which, reproducing a rather arid environment, are to be favored for a composition of succulents or cactus.

The ecosystem of a terrarium closed plant

No, there is no lizard in a terrarium plant, it is not a vivarium!

A terrarium closed plant makes it possible to reproduce a tropical environment, that is to say temperate or even warm, and above all humid. There will therefore be very little need for watering thanks to a key element: light which makes it possible to reproduce the water cycle and photosynthesis like nature.


Let’s do a little catch-up lesson in natural science

The water cycle in a terrarium :

The glass of the jar absorbs light from the sun, the interior temperature rises, which causes the plant to transpire.
The water evapotranspirates condenses on the colder walls of terrarium and will transform into small water droplets that the ground will absorb. Then, the plant roots absorb the water, and the water cycle begins.

Photosynthesis (simplified version)

Light also allows the plant to carry out photosynthesis by drawing water via the earth and the roots by capturing carbon dioxide and produces the elements which she needs to live, as in particularoxygen.
condensation therefore makes it possible to naturally irrigate the plant to infinity.

Hygrometry

Hygrometry corresponds to humidity rate. In a closed terrarium , the atmospheric humidity level always remains very high: it can be around 100%. Compare this to the relative humidity in a normal house which can reach 30% maximum. Knowing that most houseplants prefer humidity of 70% and above, a closed terrarium seems to them to be a paradise compared to the conditions outside the container.

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