Title: Agriculture
1Chapter 10
An Introduction to Human Geography The Cultural
Landscape, 8e James M. Rubenstein
PPT by Abe Goldman
2Commercial Ag. in MDCs- Issue 3
- 2nd Agricultural Revolution
- Mixed crop and livestock systems
- Dairy farming
- Grain farming
- Livestock ranching
- Mediterranean agriculture
- Commercial gardening and fruit farming
- Plantation farming
3Commercial Ag. in MDCs- Issue 3
- 2nd Agricultural Revolution
- In the 18th century, Great Britain consolidated
individually owned strips of farmland around
villages to single, large farms owned by
individuals. Other countries in Europe did too.
- The benefit was greater efficiency. Large farms
benefitted from the introduction of machinery,
like the seed drill, which regulated planting
intervals and improved productivity. - The 4-Field Crop Rotation System developed. In
it, the farmer planted a root crop, such as
turnips, in one field, a cereal like wheat,
barley, or oats in field two, a rest crop in
field three, like clover, which helps restore the
soil, and another cereal in field four. The
rotation through this cycle increased
productivity. - Cereals provided sustenance for the people.
Clover provided grazing and turnips provided food
for the animals while hay provided bedding. - Selective Breeding improved the viability of
herds.
4Commercial Ag. in MDCs- Issue 3
- Mixed crop and livestock systems
- The most distinctive part of this type of farming
is its integration of crops and livestock. - Most farms of this type devote their land to
growing crops, but get most of their income from
the sale of animal products, like milk, eggs, and
beef. - The crops are fed to animals rather than being
consumed directly by humans. - The livestock supply manure to improve soil
fertility and to grow more corps. - This type of system spreads work over the entire
year- crops are laborious in the spring and fall
while livestock maintenance is year-round. - Income is also more balanced as livestock can be
sold all year.
5Commercial Ag. in MDCs- Issue 3
- Mixed crop and livestock systems
6Commercial Ag. in MDCs- Issue 3
- Dairy farming is practiced near large urban areas
of the Northeast U.S., Southeast Canada, and
Northwest Europe. - It is 20 of the agricultural output in those
areas. - Milk must be produced close to market because its
perishable. The point beyond which milk can not
be transported is known as the milkshed. Beyond
it, other dairy products are produced. - Today, modern technology has extended the
milkshed line. - Workload and profitability have been problems.
7Commercial Ag. in MDCs- Issue 3
8World Milk Production
Fig 10-8 Milk production reflects wealth,
culture, and environment. It is usually high in
MDCs, especially production per capita, and
varies considerably in LDCs.
9Dairy Production in the U.S.
Fig. 10-9 Milk production is widely dispersed
because of its perishability, but cheese
production is far more concentrated.
10Commercial Ag. in MDCs- Issue 3
- Grain farming-Grain is the seed from grasses,
like wheat, corn, oats, barley, rice, and millet.
It is the major crop on most farms. - Grain grown on a grain farm is intended for human
rather than animal consumption and can be grown
in dryer areas. - Commercial grain farmers sell their output to
manufacturers who make food products like
breakfast cereals and snack-food makers. - Wheat is used to make bread. It is sold,
typically, at a higher price than other grains. - It can be stored easily without spoiling and can
be transported a long distance, so it can locate
far from market. - Winter wheat is grown in Kansas, Colorado, and
Oklahoma. Spring wheat is grown in the Dakotas,
Montana. - Combine machines reflect the heavy mechanization
of this farming. - Wheat is the worlds leading export crop.
11Commercial Ag. in MDCs- Issue 3
12World Wheat Production
Fig. 10-10 China is the worlds leading wheat
producer, but the U.S. and Canada account for
about half of world wheat exports.
13World Corn (Maize) Production
Fig. 10-7 The U.S. and China are the leading
producers of corn (maize) in the world. Much of
the corn in both countries is used for animal
feed.
14Commercial Ag. in MDCs- Issue 3
- Livestock ranching- Ranching is the commercial
grazing of livestock over an extensive area,
especially arid or semi-arid lands where soil is
too poor for crops. - Cattle ranching expanded in the U.S. in the 1860s
when demand for beef increased. - From Texas, cattle were driven to Kansas along
the Chisholm Trail where they boarded trains to
the slaughter houses of Chicago where they then
moved to the markets of the east. - Ranching generates lower income per area of land,
although it has lower operating costs. - Most ranches are large and owned by
meat-processing companies rather than
individuals. - Ranching is popular in Spain and Portugal and
Argentina, southern Brazil and Uruguay. - Sheep ranching is popular in Australia, Middle
East, New Zealand, and South Africa.
15Commercial Ag. in MDCs- Issue 3
16The Chisholm Trail
Fig. 10-11 The Chisholm Trail became famous as
the main route for cattle drives from Texas to
the railheads in Kansas.
17Meat Production on Ranches
Fig. 10-12 Cattle, sheep, and goats are the main
meat animals raised on ranches.
18Commercial Ag. in MDCs- Issue 3
- Mediterranean agriculture-primarily exists around
the lands of the Mediterranean Sea, but it also
exists in California, central Chile, and the
Southwestern part of South Africa. - Prevailing sea winds in each location provide
moisture and moderate the winter temperatures.
Summers are hot and dry, but breezes provide some
relief. - Horticulture-the growing of fruits, vegetables,
and flowers- and tree crops form the commercial
base. Olives and grapes are the most profitable
while fruits, vegetables, and grains can be grown
in Mediterranean areas, too. - Wine production is common in Mediterranean areas.
- The continued availability of water in more arid
Mediterranean areas may become an issue.
19Commercial Ag. in MDCs- Issue 3
- Mediterranean agriculture
20Commercial Ag. in MDCs- Issue 3
- Commercial gardening and fruit farming/Truck
Farming is the predominant type of farming in the
U.S. Southeast. - The region has a long growing season and humid
climate and is accessible to the large markets of
New York, Philly, and Washington. - Truck farmers grow apples, asparagus, cherries,
lettuce, mushrooms, and tomatoes demanded in
developed societies. Some are grow for direct
sale to customers others are grown for sale to
canners or freezers. - Operations are highly mechanized and they
experiment with different types of seeds and
fertilizer. Migrant workers keep labor costs
down.
21Commercial Ag. in MDCs- Issue 3
- Commercial gardening and fruit farming
22Commercial Ag. in MDCs- Issue 3
- Plantation farming is found in the tropics and
subtropics, especially in Latin America, Africa,
and Asia. Although plantations are found in LDC
areas, they are owned by companies headed in MDCs
and their output is usually sold there, too. - A plantation is a large farm that specializes in
one or two crops, like cotton, sugarcane, coffee,
rubber, bananas, and tobacco. Cocoa, tea, and
palm oil are common, too. - Labor populations are often imported to remote
plantation locations. - Crops are processed then shipped to reduce bulk.
23Commercial Ag. in MDCs- Issue 3