Title: GEOG 3515
1GEOG 3515
- The Geography of South America
Class 17 Economic GeographyModern Agriculture
in South America
2Large Farming Units
- We have previously discussed traditional
agriculture by highlighting the role played by
the minifundio the subsistence and peasant
farmers. - We also mentioned the three large-scale units of
farming, two of which can be considered modern
and advanced the commercial plantation and the
estancia cattle ranches and one that is very
much an anachronism, redolent of a former time
the hacienda. - Only recently has the hacienda unit started to
give way to more productive model of farming -
rather than a neglected, semi-feudal system
harking back to the encomienda, absentee
landowners are beginning to lease their land to
tenant farmers that can put it to more productive
use.
3Broad Agricultural Zones of South America
4Estancias
- Predominantly cattle ranches, the estancias
represent vast tracts of land in the southern
Pampa region. - Grazed extensively for the production of export
beef or sheep, either deep frozen or canned, the
estancias are highly profitable farming units. - Adopting modern livestock techniques including
cross-breeding to improve livestock quality and
range management to improve pasture quality, the
estancias make Uruguay and Argentina famous for
their meat which is a significant export item for
their respective economies. - Farms are usually run and worked by whites the
gauchos famously rugged and laconic cattlemen
of the region with their trademark berets and
bullwhips.
5Plantations
- Historically owned by multinational corporations
like the United and Standard Fruit Companies
(Dole and Chiquita), plantations are now
frequently locally owned but under contract to
the multinationals that handle the transport and
distribution to overseas markets. - The most prevalent tropical plantation crops in
South America include sugar cane, coffee,
bananas, cotton, pineapple, oil palm, cacao,
sisal, and jute. - More recently developed tropical plantation crops
include citrus, mangoes, papaya, guava and other
popular fruits. - Added to these large-scale tropical plantations
is an increasing diversity of smaller-scale
plantations in the more temperate and the
Mediterranean-type sub-regions, growing grapes
(wine and table), blueberries, apples and other
valued crops for sale in the winter seasons of
the northern hemisphere.
6The modern plantation a sophisticated operation
growing wine grapes in Chile
7Regional Extensions
- Sugar Cane is widely grown and is predominantly
in the coastal tropical lowlands. - Coffee in South America is a significant
commodity produced on cooler, acidic soils in
Colombia and Brazil, the latter of which produces
some 1/3 of world beans, most lower grade. - Bananas are also very significant, limited to
lowland, coastal and river valley location. - Northern Brazil is the main region in which many
of the other types of tropical plantations are
found cacao for example, leaving cotton to be
grown in the drier central lowlands, oil palm on
the northwestern shores, and jute in the Amazon
region (see Ch 10)
8Coffee from Brazil
9Plantation woes
- Competition from many nations across a number of
regions, along with periodic gluts and shortfalls
in production due to storms or disease has made
plantation crops prices highly unstable. - In the case of sugar, a glut of tropical cane
sugar combined with a rise in the production of
high-fructose syrup from surpluses of corn in
North America has led to declining revenues and
the elimination of many sugar plantations and
mills. - Workers worries have been made worse by the
increase in mechanization of plantation
activities, from planting to harvesting. - Plantation areas have been zones of
out-migration, poverty and political unrest.
10The Green Revolution
- The post-WWII period saw tremendous advances in
modern, commercial agriculture that led to
increases in crop yields of 500 or more. - This was called the green revolution a
combination of plant breeding, development and
application of pesticides and chemical
fertilizers, mechanization, and irrigation. - The revolution gained hold in South Americas
larger, commercial farms, especially those geared
for export and mass-production of the staples
eaten in the large urban centers (for example,
grains).
11Environmental Consequences
- As elsewhere, the green revolution has carried a
price erosion, pesticide and fertilizer
contamination, ecological damage. - Looser environmental regulations in South America
and a lack of controls on the type and nature of
pesticide use has led to excessive use and worker
exposures. - Hybridization and, increasingly, genetic
modification is leading to a widespread
homogenization of grain and vegetable production,
creating a reduced agricultural gene pool among
the farming community and a loss of traditional
varietals that were grown and propagated in situ. - Small farmers have been largely bypassed, lacking
the resources to adopt the changes required to
expand yields. - The net result has been to increase per capita
food production in South America since 1980 by
about 17, although gains are starting to slip
and population growth exceed food output growth,
eroding this margin.
12Export Oriented Crops
- As a source of foreign income, South America has
rapidly expanded its commercial crop production
since 1980, in many key areas by around 100 (see
Table 10.9). - Sophisticated refrigerated transport and air
freight systems coupled with low wholesale prices
allow South American farmers to be competitive in
the US and Europe. - Grassification of forests and scrub and the
introduction of various pasto tierno or higher
quality pasture grasses into the Pampa and grazed
plateau areas has vastly increased cattle numbers
and productivity. - South America continues to lose 0.4-0.5 of its
remaining forest area annually.
13Plantation Controversy
- Major questions exist over plantation style
farming - Is it sustainable given its monoculture basis
that grows the same crop year-in and year out? - Frequently labor intensive, profitability
requires a large number of very poorly paid
workers to live in the region. - Oriented toward exports, plantations deprive the
internal market of the best soils and land units
on which to meet human demands for food. - Beneficiaries of the green revolution, the large
commercial monocultures use heavy doses of
pesticide and fertilizers, leading to air, water
and soil effects that can be harmful. - Expansion of plantations usually comes at the
expense of biodiverse tropical rainforest or
lowland wetlands.