Future of Food

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  • Created by: emmac2000
  • Created on: 21-11-17 12:04
What is the UN Food and Agruculture Organisation's definition of food security?
Food security exists when all people, at all times, have physical and economic access to sufficient, safe and nutritious food that meets their dietary needs for food preferences for an active healthy lifestyle.
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'Three Pillars' of food security
Availability-addresses food supply//Access- relates to household-level access to sufficient food//Utilisation- the intake of food must result in the body gaining sufficient nutrients and energy.
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What is the 'fourth pillar' of food security?
Stability- this is important because food sercurity is dynamic and can also be either long or short term in nature
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The physical conditions needed to grow food are?
Temperature, Water, Light, Air, Soil
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Temperature
Crops can grow at below optimum temperature, but temperatures that are too high or low result in reduced yeilds.
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Light
Essential to photosynthesis, plants differ in light intensity requirements.
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Water
80% of living plants, major determant of crop quality, essential for growth, used in photosynthesis to produce sugars from light energy
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Air
Oxygen and Carbon Dioxide required for photosynthesis. Plants also require oxygen for respiration.
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Soil
Mixture of minerals and organic matter in which roots develop.Plants absorb essential nutrients through roots.
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What health issue is associated with food surpluses and poor diet?
Obesity
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Other cards in this set

Card 2

Front

'Three Pillars' of food security

Back

Availability-addresses food supply//Access- relates to household-level access to sufficient food//Utilisation- the intake of food must result in the body gaining sufficient nutrients and energy.

Card 3

Front

What is the 'fourth pillar' of food security?

Back

Preview of the front of card 3

Card 4

Front

The physical conditions needed to grow food are?

Back

Preview of the front of card 4

Card 5

Front

Temperature

Back

Preview of the front of card 5
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