water pollution - Agricultural runoff

Agricultural runoff

Water pollution - Ariya Alli

Agricultural runoff

Definition

Agricultural runoff

Agricultural Runoff is water from farm fields due to irrigation, rain, or melted snow that flows over the earth that can absorb into the ground, enter bodies of waters or evaporate.

Pesticides

Nutrients

Metals

Sediment

2. How can it happen in our daily agricultural activities?

Agricultural runoff

Excessive plowing

Overgrazing

Animal feeding operations

Fertilizers

Pesticides

Water irrigation

70%of total global water use

water

food

environment

atmosphere

negative impact

what exactly is the negative impact of agricultural runoff on water?

Agricultural runoff

• Rainfall, snowmelt and irrigation runoff
• Nitrates contained in manure
• Change the river by digging ditches

• Causing eutrophication and a large number of algal blooms

With the advancement of technology

There have been significant changes in the way agriculture is produced.

examples

Agricultural runoff

Examples

• Europe
• United States
• China

solve and prevent

What should people do to solve and prevent this type of pollution from happening again?

solve and prevent

The government should correctly guide farmers to use reasonable medicine and scientific fertilizer.

governm-ent

People can plant more native trees and bushes to keep livestock away from the water's edge.

peop-le

CONCLUSION

Agricultural runoff

water pollution

Once water is polluted, removing the pollutants is difficult, expensive, and often impossible.

Thanks!