Developments in Food Production

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Developments in Food Production

Effectiveness

Addressing the Challenges

Future Challenges

Past Success

Irrigation

Waterlogging

Excessive use of water

India

Air and Nutrients affected

Wash excess salt

Over Irrigate

Salinisation

When? Where? How?

Arid Regions

Libya and India

Saltwater from Sea

Coastal Area

Syria and Kuwait

Groundwater pumped

Salinity Increases

Construction of Dams

Aswan High Dam in Egypt (River Nile)

Sediments and Minerals Trapped

Irrigate fields

Flood Irrigation

Continous Cycle

Evaporation

Salts are left behind

Accumulation of Salt lowers the quality of soil

Use of Chemicals

Negative Effects

Water Pollution

Eutrophication

Imbalance in Soil Nutrients

Salinisation of soil is the building up of salts within the soil.

Genetically Modified Food crops

Threats

Benefits