Unit 5 Chapters 6-8
1. Agricultural Production Regions
A. Overview
Agricultural production regions are areas where specific types of farming dominate based on climate, soil, technology, and cultural preferences.
The von Thünen Model and modern agricultural trends help explain why different types of agriculture exist in specific regions.
B. Types of Agricultural Production Regions
1. Commercial Agriculture (For Profit & Large-Scale Production)
Found in developed countries or export-driven economies.
Goal: Maximize efficiency and profit using advanced technology and large-scale operations.
Type | Description | Example Locations |
|---|---|---|
Grain Farming | Large-scale wheat, corn, and barley production, often mechanized | U.S. Midwest, Canada, Ukraine, Argentina |
Dairy Farming | Milk and dairy production, typically near urban markets | U.S. Northeast, Western Europe, India |
Livestock Ranching | Extensive open-land grazing for meat production (beef, sheep) | Western U.S., Argentina, Brazil, Australia |
Mediterranean Agriculture | Specialized crops like olives, grapes, citrus, grown in warm coastal climates | Southern Europe, California, Chile, South Africa |
Plantation Farming | Large-scale monoculture of cash crops like coffee, sugar, bananas | Latin America, Southeast Asia, Africa |
Mixed Crop & Livestock Farming | Integration of crops and livestock (e.g., corn grown to feed cattle) | U.S. Midwest, Europe |
2. Subsistence Agriculture (For Local or Personal Use)
Found in developing countries and traditional rural communities.
Goal: Provide enough food for a family or local consumption.
Type | Description | Example Locations |
|---|---|---|
Shifting Cultivation (Slash-and-Burn) | Farmers clear land, grow crops, then move to new land | Amazon Rainforest, Central Africa, Southeast Asia |
Pastoral Nomadism | Herding of animals across open landscapes | Middle East, Central Asia, Mongolia |
Intensive Subsistence Farming | Small-scale, labor-intensive farming, often rice-based | China, India, Southeast Asia |
2. Spatial Organization of Agriculture
A. The Von Thünen Model (1826)
Explains how farmers decide where to locate different agricultural activities based on transportation costs, land value, and perishability of goods.
Key Rings of the Von Thünen Model
Market (City/Urban Center) – Where goods are bought/sold.
Dairy & Market Gardening (1st Ring) – Perishable items (milk, fruits, vegetables) must be close to the city to avoid spoilage.
Forest (2nd Ring) – Timber and fuel, historically needed close to cities due to heavy transport costs.
Grain & Field Crops (3rd Ring) – Wheat, corn, and other less perishable crops can be farther since they require more land and are easier to transport.
Ranching & Livestock (4th Ring) – Animals require large open spaces and can walk to the market, reducing transport costs.
B. Limitations of the Von Thünen Model
Does not account for:
Modern transportation (trucks, refrigeration make distance less important).
Technology & climate variations (e.g., irrigation allows crops to grow in places they normally wouldn’t).
Government policies & trade globalization (e.g., crops being grown far away and imported).
C. Modern Agricultural Spatial Patterns
Global Supply Chains: Food is grown in one region and exported worldwide (e.g., bananas from Ecuador to the U.S.).
Technological Advancements: Refrigeration, transportation, and GMOs allow food production far from consumers.
Urban & Peri-Urban Agriculture: Small-scale farming inside or near cities (e.g., rooftop gardens, community farms).