Give disadvantages of fertilizers?
They are prepared in factories which increases pollution they are inorganic salts
They do not provide humus to the soil
They decrease soil fertility
Fertilisers pollute soil
1. Fertiliser cause pollution- soil as well as water pollution.
2. It decreases the soil fertility to grow crops in the next season.
Fertilizers does not provide any humus and cause of water pollution
They are acids and makes the soil acidic.