Question

Why is shifting agriculture discouraged?

Answer 1

The main reason why shifting agriculture is discouraged is that when a forest was burnt, there was the added danger of the flames spreading.

Answer 2

Shifting agriculture is discouraged because:
1. It leads to soil erosion as patch of land when left barren gets eroded due to air and water
2. Fertility of land decreases
3.Deforestation increases
4. Cutting of trees leads to imbalance of ecosystem etc