Chapter 12

Revoultions

Componants of modern farming

Traditional Ag- Human power low chemical input Modern- machinery and fossil fuels

Top crops

Small farms- grown food maintains the families

Industrial revoultion- Fossil fuels to power machines

Neolithic- Hunters to farmers

Green revoultion- to increase food production to feed everyone

Chemicals

Irrigation

Infastruture

Expansive land

Moderen machinery

Confined Animal Feeding operations

Bio fuels- ethanol and oils from agricultural crops

Broilers

Hogs

Dairy

Soy

Wheat

Corn

Eggs

Beef

Hay

Biotechnology

Advantages

Disadvantages

Can promote tolerance to environmental conditions

Improve nutritional value

Disease and pest control

Antibiotics resistant

New toxins

Super weeds

Food crisis

Higher quality diets

Weather related short falls in crops

Corn used for biofuel production

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Rising cost of fuel