This country produces the most corn in the world.
What is the United States?
Wheat is primarily produced in mid-Europe, Northeast China, and this U.S. region.
What is the Midwest?
The center of the Von Thünen model is this urban area.
What is the Central Business District (CBD)?
This type of farming is usually found in more developed countries.
What is commercial agriculture?
This process causes fertilizers and pesticides to pollute rivers and lakes.
What is agricultural runoff?
The U.S. produces this percentage range of the world's corn.
What is 32–40%?
Most rice is grown on this continent.
What is Asia?
Dairy and intensive farming are found in this ring of the model.
What is Ring 1?
This type of agriculture focuses on feeding just one family with little extra to sell.
What is subsistence agriculture?
Modern machinery in agriculture increases emissions of this greenhouse gas.
What is carbon dioxide (CO2)?
Of all grain crops grown in the U.S., this crop makes up 95%.
What is corn?
Potato production is concentrated in these three continents.
What are Europe, Asia, and North America?
This ring contains forest land, used for fuel and building materials.
What is Ring 2?
Commercial farming uses large areas of land and this type of labor.
What is mechanized labor or machines?
The Green Revolution introduced fertilizers, pesticides, and this water improvement
What is improved irrigation?
This country leads the world in wheat production.
What is China?
Sugarcane is primarily grown in these two global regions.
What are the Americas and Southeast Asia?
This ring includes crops that need large areas, like grain and field crops.
What is Ring 3 (Extensive Farming)?
Subsistence farming often takes place in these countries.
What are less developed countries (LDCs)?
The very first agricultural revolution happened when humans stopped doing this.
What is hunting and gathering?
China produces this percentage of the world’s wheat.
What is 18%?
This crop is commonly grown in tropical areas and is Brazil’s top crop.
What is sugarcane?
The outermost ring of the model is used for this type of agriculture.
What is ranching and livestock?
This type of agriculture is very labor-intensive and uses small plots of land.
What is subsistence agriculture?
These modified crops are engineered for higher yields and resistance to pests.
What are GMOs (Genetically Modified Organisms)?