Food Production. How is food produced? Industrial Agriculture Traditional Agriculture.

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Presentation transcript:

Food Production

How is food produced? Industrial Agriculture Traditional Agriculture

Green Revolution Develop monocultures of high-yield key crops Large inputs of fertilizer, pesticides, and water Multiple cropping

Section 10-7 pg Reducing erosion: Conservation tillage Terracing Contour Farming Strip Cropping Alley cropping or agroforestry Windbreaks / shelterbelts Gully reclamation

Section 10-7 pg Reducing erosion: Conservation tillage Terracing Contour Farming Strip Cropping Alley cropping or agroforestry Windbreaks / shelterbelts Gully reclamation

Section 10-7 pg Reducing erosion: Conservation tillage Terracing Contour Farming Strip Cropping Alley cropping or agroforestry Windbreaks / shelterbelts Gully reclamation

Section 10-7 pg Reducing erosion: Conservation tillage Terracing Contour Farming Strip Cropping Alley cropping or agroforestry Windbreaks / shelterbelts Gully reclamation

Section 10-7 pg Reducing erosion: Conservation tillage Terracing Contour Farming Strip Cropping Alley cropping or agroforestry Windbreaks / shelterbelts Gully reclamation

Second Green Revolution Mostly in tropical and subtropical developing countries Introduction of new fast growing, high- yield varieties of crops (wheat and rice) Need fertile soils and ample water

Environmental Effects of Food Production

Increasing food sources for an expanding population 1. GMO - Genetically modified organisms

2. Try new foods Winged bean

Microlivestock 3. Irrigating more land 4. Cultivating more land 5. Grow more food in urban areas

6. Produce more meat Rangeland - uses native vegetation Pasture - uses domesticated or introduced forage plants Feedlots - grain, animal by-products

Environmental problems with higher meat production Concentrates pollution problems Increased pressure on grain and fish supply Increased fossil fuel needs Increased spread of infectious livestock diseases

7. Catch and raise more fish

Overfishing and habitat degradation (pg 304)

Aquaculture - Fish farming and ranching

Government and Agriculture policies (pg ) Sustainable Agriculture Ch. 13-8

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