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| − | |Step_Content= | + | |Step_Content=We have to put some water in the cellar. When it's too cold, water will freeze and produce heat. On the other hand, it will volatilize to absorb the heat. |
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{{Notes | {{Notes | ||
| − | |Notes= | + | |Notes=Advantage: |
| − | * | + | *Being able to avoid the sun and have a constant temperature all year round. |
| − | * | + | *The accumulation of CO2 and the lack of O2 slow down the rottenness of fruits and vegetables. |
| − | * | + | *In addition, it is quite easy to build and will be used for a long time. |
| − | * | + | *It can conserve a large batch of vegetables and fruits. |
| − | * | + | *The height difference between the entrance and the ground prevents the entry of water when it rains often. |
| − | + | Disadvantage: | |
| − | * | + | *It will produce swamp gas, so be careful before entering the cellar to avoid explosion. |
| − | * | + | *Not suitable for all foods, such as meat, fish, bananas, etc. |
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Version actuelle datée du 4 mars 2020 à 16:43
Difficulté
Moyen
Durée
3 heure(s)
Coût
5 EUR (€)
Description
As the drawing shows, it is a semi-underground cellar used to store vegetables and fruit. Thanks to the difficulty of heat transfer in the underground, the cellar is able to have a constant temperature all year round, 0℃- 5℃. In addition, the tightness of the cellar ensures humidity. It is suitable for onions, garlic, zucchini, potatoes, cabbage, etc.
Matériaux
Entrance to the Cellar
Exhaust Vent
Soil
Boxes of vegetables and fruit
Stone walls and ceiling
Outils
Étape 1 - Making a hole
First, we dig a big pit in the ground.
Étape 2 - Construction of the Cellar
And then we build a cellar using stones and cement. Remember to create two exhaust vents. Since in the cellar there are a lot of gases like CO2, CH4, etc. and it lacks O2. So before entering the cellar, we need to open the exhaust vents to have enough O2.
Étape 3 - Creation of a sealed entrance
Étape 4 - Bury the cellar with soil
Étape 5 - Adding water
We have to put some water in the cellar. When it's too cold, water will freeze and produce heat. On the other hand, it will volatilize to absorb the heat.
Notes et références
Advantage:
- Being able to avoid the sun and have a constant temperature all year round.
- The accumulation of CO2 and the lack of O2 slow down the rottenness of fruits and vegetables.
- In addition, it is quite easy to build and will be used for a long time.
- It can conserve a large batch of vegetables and fruits.
- The height difference between the entrance and the ground prevents the entry of water when it rains often.
Disadvantage:
- It will produce swamp gas, so be careful before entering the cellar to avoid explosion.
- Not suitable for all foods, such as meat, fish, bananas, etc.
Draft
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