Chapter 12 -Production and distribution of food
Modern agriculture
uses chemical fertilizers and pesticides
uses a lot of water in irrigation
transformed by infrastructure
uses a lot of expensive land
uses modern machinery
uses confined animal feeding operations
Use of Biotechnology
click to edit
Creation of biofuels
Green revolution - Norman Borlaug -modernized plant breeding to increase crop production
Genetically modified crops, marker assisted breeding
Food crisis-shortage of food leading to unrest and death
security
Causes
using corn for biofuel instead of food
using more meat in emerging economies
rising cost of food
climate change
declining carryover stock
hunger - lack of basic food required for energy and nutritional needs
undernourishment -lack of enough food for energy
overnourishment-eating too much
malnutrition - lack of essential nutrients
Most important foods are corn, wheat, rice, barley sorghum