Question

write any three reasons of land degration

Answer 1

Deforestation: Forests play an important role in maintaining fertility of soil by shedding their leaves which contain many nutrients. ...

Excessive Use of Fertilizers and Pesticides: ...

Overgrazing: ...

Salination: ...

Water-logging: ...

Desertification: ...

Soil erosion: ...

Wasteland:

Answer 2

1. Deforestation:

Forests play an important role in maintaining fertility of soil by shedding their leaves which contain many nutrients. Forests are also helpful in binding up of soil particles with the help of roots of vegetation. Therefore, cutting о forests will affect t jihe soil adversely.

2. Excessive Use of Fertilizers and Pesticides:

Fertilizers are indispensable for increasing food production but their excessive use has occasioned much concern as a possible environmental threat. Excessive use of fertilizers is causing an imbalance in the quantity of certain nutrients in the soil. This imbalance adversely affects the vegetation.

3.Floods and drought

4.Overgrazing