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Feeding the World (Industrialized Agriculture (Most common in wealthy…
Feeding the World
Industrialized Agriculture
Most common in wealthy nations.
Uses machinery that consumes energy.
Uses fertilizers, pesticides, irrigation and causes more waste.
Few workers needed.
11% of Earth's land covered in farms.
25% used for grazing.
Requires large amounts of water.
Crop yield - Size of harvest from a particular crop.
Pasture - Land used for livestock grazing.
Dead Zone - An area in the ocean where marine life cannot survive.
Plantation agriculture - Large scale farm that only grows one crop... usually in tropical areas.
Feedlot - Small area where large numbers of livestock are raised.
Rangeland - Grass covered land that animal can graze on.
Subsistence Agriculture
Growing enough food to meet a family’s immediate needs..even livestock.
Only make what u need.
Use the sun, own labor, and large animals.
Practiced in 3rd world countries and villages.
Smaller impact on the environment.
Draft animals - Large animals used to pull equipment
Domesticated - Bred for human use.
Farmers Market - Local farmers sell their produce.
Community Supported Agriculture - System where members pay farmers weekly.
Protecting Soil
Siltation - The buildup of soil in an aquatic ecosystem.
No-till Farming - Leaving the soil undisturbed.
Contour Farming - Planting crops around curves to reduce erosion. Soil is more fertile.
Shelterbelt - A row of trees planted to help block wind.
World Food Supply and Nutrition
Green Revolution - A large increase in crop yields achieved by developing new varieties of plants....ex: wheat.
Malnutrition - Not consuming enough fats, carbs, or protein. Which leads to anemia, over nutrition, and famine.
Over nutrition - Too much food.
Famine - Not enough food.