Paheli gave the following ill effects of the practice of burning dried leaves and other plant parts
(i) Burning degrades the soil.
(ii) Burning produces harmful gases/fumes.
(iii) Precious raw materials to obtain manure at low cost is lost.
(iv) Lot of heat is generated unnecessarily.
The correct reasons of why we should not burn leaves are
Burning of leaves produce harmful gases or fumes which pollute environment. These gases are harmful to our environment. A large amount of heat is produced. Dried leaves and other plant parts can be used to prepare compost.