Social Science, GLOSSARY UNIT 7

PLOT: an area of land where crops are grown.
SOIL: the substance on the surface of the Earth in which plants grow.
CROP ROTATION: the practise of growing different types of crops in the same area in sequential seasons.
INTENSIVE AGRICULTURE: an agricultiral system characterised by heavy investments of capital and labour.
EXTENSIVE AGRICULTURE: an agricultural system that uses small inputs of labour, fertilisers and capital.
DRYLAND FARMING: farming in which fields receive only rainwater.
IRRIGATED FARMING: farming in which the water from groundwater, reservoirs or rivers is brought to fields.
POLYCULTURE: the growing of different types of crops.
MONOCULTURE: the continuous growing of one type of crop.
GREENHOUSE: a building with transparent walls and roof, usually of glass, for the cultivation and exhibition of plants under controlled conditions.
SUBSISTENCE AGRICULTURE: a type of agriculture in which farmers only grow enough food to feed themselves and their families.
LIVESTOCK FARMING: farming based on rearing animals to obtain products.
HOUSED LIVESTOCK: livestock fed with fodder in farm buildings.
CATTLE: bovid mammals.
FODDER: bulk feed for livestock.
REAR: to care for, breed and grow animals until maturity.
FISHING GROUNDS: areas with abundant fish stocks.
AQUACULTURE: an activity that consists of farming marine animals and plants in pools. ponds or enclosed areas of the coast.
OVERFISHING: it is a problem because of the effectiveness of today's fiching techniques and the increasing number of fishing boats.
FLEETS: a number of aircraft, ships, buses, etc, operating together or under the same ownership.