An electric seed-propagation mat is a heated rubber mat covered by a metal cage which is used in gardening.
The mats are made so that planters containing seedlings can be placed on top of the metal cage without the risk of starting a fire.
In extreme cold, gardeners place a loose plastic cover over the planters/mats which creates a sort of miniature greenhouse. The constant and predictable heat allows people to garden in the winter months when the weather is generally too cold for seedlings to survive naturally.
When combined with a lighting system, many plants can be grown indoors using these mats.and can be use as apratice mat to know the capability of seed that you buy in a store
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