Key Words - Food Flashcards
food security
access to sufficient, safe, nutritious food to maintain a healthy and active life
food surplus
an area where the food supply exceeds the demand
food deficit
an area where the food demand exceeds supply
food insecurity
being without reliable access to enough affordable nutritious food
irrigation
artificial application of water to the land or soil
soil erosion
removal of topsoil faster than it can be replaced due to natural (water and wind action), animal and human activity
aeroponics
growing plants in an air or mist environment with the use of soil
hydroponics
growing plants in water using nutrient solutions, without soil
green revolution
an increase in crop production, especially in poorer countries using high-yielding varieties, artificial fertiliser and pesticides
biotechnology
the genetic engineering of living organisms to produce useful commercial products
sustainable food supply
food production hat avoids damaging natural resources, providing good quality produce and social and economic benefits to local communities
permaculture
a system of food production which follows the patterns and features of natural ecosystems
it aims to be sustainable, productive, non-polluting and healthy
