Types of Subsistence Agriculture (2E)

In pastoral nomadism, the main source of food is what?

grain

Why do people practice intensive subsistence agriculture?

if agricultural density is very high; families must produce enough food for survival on a small amount of land

What are the two classifications of types of subsistence agriculture?

intensive, extensive

intensive

requires large amounts of effort to produce maximum yields from a parcel of land

wet rice

rice is planted on dry land and then moved to a flooded field

What are the Two Types of Extensive Subsistence Agriculture?

shifting cultivation, pastoral nomadism

extensive

takes up a lot of land; uses less labor; produces lower yields

pastoral nomadism

based on the herding of domesticated animals

What is the difference between double cropping and crop rotation?

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Today, how many people are pastoral nomads?

15 million

How much percent do pastoral nomads take up of Earth's land area?

20%

Where is wet rice practiced?

East Asia, South Asia, and Southeast Asia; flatlands, river valleys, deltas, and terrace hillsides

double cropping

alternating between wet crops in the summer and another crop in the drier winter season; two crops in the same year

In pastoral nomadism, for survival they depend primarily on ___________ rather than_________________

animals, crops

What is the most common example of crop rotation?

corn and soybeans

slash and burn

farmers clear land for planting by slashing vegetation and burning the debris

shifting cultivation

farmers grow crops on a cleared field for only a few years until soil nutrients are depleted and then leave it fallow for many years so that the soil can recover

What is the purpose of subsistence agriculture?

farmers grow food and raise animals for their daily sustenance

In pastoral nomadism, are animals raised for slaughter?

no

What tools are used in slash and burn?

only very basic technology (axes, machetes, hoes, etc.)

Where is crop rotation practiced?

parts of Asia where summers are too dry and winters are too harsh

crop rotation

planting different types of crops each year to replenish the soil with nutrients used up by the previous crop

Where is slash and burn taking place?

tropical climates (humid, low-latitude), Southeast Asia, Central and Western Africa, Amazon rain forests of Brazil

Where is subsistence agriculture located?

typically practiced on smaller farms, LDC's

What are the Two Types of Extensive Intensive Agriculture?

wet rice and crop rotation