|Deliberate modification of Earth's surface through cultivation of plants and rearing of animals to obtain sustenance or economic gain.
|Any plant cultivated by people
|Found in LDCs and is the production of food primarily for consumption by the farmer's family.
|Found in MDCs and is the production of food primarily for sale off the farm.
|Prime agricultural land
|The most productive farmland
|Commercial agriculture characterized by the integration of different steps in the food-processing industry, usually through ownership by large corporations.
|A form of subsistence agriculture in which people shift activity from field to another; each field is used for crops for a relatively few years and left fallow for a relatively long period.
|Another name for shifting cultivation, so named because fields are cleared by slashing the vegetation and burning the debris.
|A large farm that specializes in one or two crops.
|A grass yielding grain for food.
|The ring surrounding a city from which milk can be supplied without spoiling
|The seed from various grasses, like wheat, corn, oats, barley, rice, millet, and others.
|Wheat planted in the autumn and harvested in the early summer.
|Wheat planted in the spring and harvested in the late summer.
|A machine that cuts grain standing in the field.
|A machine that reaps, threshes, and cleans grain while moving over a field.
|The commercial grazing of livestock over an extensive area.
|The growing of fruits, vegetables, and flowers
|Commercial gardening and fruit farming, so named because truck was a Middle English word meaning bartering or the exchange of commodities.
|An agricultural process that preserves and enhances environmental quality.
|A system of planting crops on ridge tops.
|Process in which human actions are causing land to deteriorate to a desertlike condition.
|The invention and rapid diffusion of more productive agricultural techniques during the 1970s and 1980s.
|Provides services to individual customers who desire them and can afford to pay for them.
|Services that primarily meet the needs of other businesses, including professional, financial, and transporting services.
|Provides security and protection for citizens and businesses.
|Independent self-governing communities that included the settlement and nearby countryside.
|Clustered rural settlement
|A place where a number of families live in close proximity to each other, with fields surrounding the collection of houses and farm buildings.
|Dispersed rural settlement
|Characterized by farmers living on individual farms isolated from neighbors rather than along-side other farmers in settlements.
|The process of consolidating small landholdings into a smaller number of larger farms in England during the eighteenth century.
|The process by which the population of urban settlements grows.
|"Development that meets the needs of the present without compromising the ability of future generations to meet their own needs."
|The sustainable use and management of natural resources such as wildlife, water, air, and Earth's resources to meet human needs, including food, medicine, and recreation.
|The maintenance of resources in their present condition, with as little human impact as possible.
|The variety of species across Earth as a whole or in a specific place.