Define Subsistence farming -
food grown for the farmer or for local consumption
Describe the system of mixed crop & livestock farming.
Crops feed livestock & livestock fertilize
Most plantations are located in ______________.
LDCs
Why do farmers in LDCs choose to grow drug crops for export?
Market value in MDCs
Where was maize first domesticated?
Central Mexico
Describe the three parts to shifting cultivation.
Clearing/farming/moving
What is the purpose of crop rotation?
Maintaining the fertility of fields
The type of agriculture near cities which includes producing fruits & vegetables is known as __________.
Truck farming
Compared to shifting cultivation, what is used more in intensive subsistence farming?
Animal Power
Nomadic pastoralism is an extensive agricultural system practiced in the dry regions of what two continents?
Africa & Asia
Why was shifting cultivation sustainable in the past?
2 reasons
Lower population/more available land
What is the most important crop in the U.S. mixed crop & livestock region after maize.
soybeans
__________ is the reason why most farmers in Northeast China grow crops other than wet rice.
Climate
What push/pull factor has caused the number of farmers to decline in MDCs?
lack of opportunity in rural areas and higher-paying jobs in urban areas
Of the following countries, where was wheat most probably domesticated earliest?
Italy, Libya, Mexico, China, Turkey
Seasonal migration of livestock between mountains & lowland pastures.
Transhumance
The primary factor in Von Thunen’s model for choosing what to farm.
Market location
Agriculture practiced in California differs from forms practiced in other Mediterranean agriculture regions because in California farms use more ___________.
What is a major practice of sustainable agriculture?
Limited use of chemicals
Traditionally what two river valleys have had comparatively high population densities because of their intensive agriculture based on irrigation?
Ganges Valley and Nile Valley
Name two reasons why shifting cultivation is expected to diminish during the 21st century.
Technological advancements/ expanding population/ commercial agriculture/ competing land-use activities/ government-environmental policy
Name three specific items that have aided commercial farmers in MDCs.
Transportation improvements/ scientific advances/ electronics
The environmental problem of ________ is most associated with the African Sahel.
desertification
What are the four typical practices/steps of growing rice in Asia?
Growing seedlings in a nursery/preparing fields with oxen-drawn plows/ flooding the fields/ transplanting seedlings in flooded fields
Name the three areas of the world considered to be the world's earliest centers of plant domestication
Southeast Asia, Mesoamerica, & Middle East