5.B techniques for improving food security

Question 1

large scale technological techniques

Answer 1

• GM crops = increase of yields and resistance to pests
  eg chicken made in petri dishes
• development of harsh conditions resistance crops via global warming
• water conservation and new irrigation schemes

Question 2

small scale technological techniques

Answer 2

• self-help schemes - rainwater harvesting and sack gardening
  eg FAO Acaia project in Sahel and fertilisers deep displacement in Niger and Nigeria