Answer :
Controlled fires, these are the types of fires which is set for the purpose of healthy ecosystem.
This fire unlike natural fire is in controllable way by the forest officials.
Controlled fire, helps the forest in many ways like,
1. Helps in the growth of grasses in the grassland where trees grow more in number.
2. Helps in growth of endemic species
3. This type of controlled fire also helps in removing weeds.
4. It also helps in removing the plant which has diseases and may spread the disease in other plants.
5. Reduce the risk of large uncontrolled fires.
6. The plants which are burned may consist of several minerals, which then mix with the soil and enriches it.
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