soil pollution

2. What is soil
pollution?
Definition: The presence of toxic chemicals in
soil in high enough concentrations to be of risk
to human health and eco-system

3. Causes of Soil Pollution
Man –made causes
Natural causes

4. Man-made
causes
 Pesticides
 A pesticide is any substance used to kill, repel, or control certain forms of plant or animal
life that are considered to be pests. Eg: DDT
 Pesticide residues change the chemical properties of soil and accumulate on the soil
permanently and introduce these toxic materials into plant products

5.  Industrial Wastes
Man-made causes(cont’d)

6.  Household garbage
Man-made causes(cont’d)

7.  Uncontrolled land treatment
Man-made causes(cont’d)

8.  burning forest and open
dump
Man-made causes(cont’d)

9.  Deforestation
Man-made causes(cont’d)

10. Natural causes
 Acid rain
effects of
acid rain
on soil.

11. Natural causes (cont’d)
 flood

12. Impact of soil pollution
 Health of human and eco-system
 Lead to problem of skin cancer and human
respiratory system.
 Toxic chemicals can reach our body through foods
and vegetables that we eat as they are grown in
polluted soil.
Eco-system effects

13. Impact of soil pollution(cont’d)
 Growth of plants

14. Impact of soil pollution(cont’d)
 Decrease soil fertility

15. Impact of soil pollution(cont’d)
 Changing soil structure

16. Solutions of soil pollution
 Planting trees

17. Solutions of soil pollution(cont’d)
 Reduce, reuse and
recycle

18. Solutions of soil pollution(cont’d)
 Prevent industrial waste

19. Solutions of soil pollution(cont’d)
 Dispose of household garbage prope

20. Solutions of soil pollution(cont’d)
 No use of pesticides

21. Solutions of soil pollution(cont’d)
 Soil awareness

23. THANK YOU….