farming types
what is subsistence farming
farmers clear land, farm it, then move to new land
what is shifting cultivation
model that explains how distance from market affects farming choices
what is the von thünen model
what is the green revolution
loss of topsoil due to wind or water
what is soil erosion
farming to sell products for profit
what is commercial agriculture
clearing land by cutting and burning vegetation
what is a market
using machines instead of human labor
what is mechanization
land becoming desert due to overuse
what is desertification
uses a lot of labor on small land to produce high output
what is intensive farming
what is pastoral nomadism
the cost of moving goods to market
what is transportation cost
chemicals used to increase crop yield
what are fertilizers
using resources in a way that does not harm future use
what is sustainability
uses large land areas with less labor per acre
what is extensive farming
changing crops each season to maintain soil fertility
what is crop rotation
products that spoil quickly
what are perishable goods
what is irrigation
what is overgrazing
large scale farming of one crop for export
what is plantation agriculture
farming on steps built into hillsides
what is terracing
cost of land, which decreases farther from the market
what is land value
crops altered for better traits
what are genetically modified organisms (GMOs)
what is food insecurity