Full planets, empty plates

Question 1

causes of increasing food demand

Answer 1

population growth, rising affluence, biofuels

Question 2

issues facing crop production

Answer 2

soil erosion water shortages, rising temperatures

Question 3

history of food production

Answer 3

world food prices have almost doubled within the last decade. in the 1960s there was overproduction (large areas of cropland idled and warge carryover of stocked grain), idled land was put into use in the late 1980s for grain

Question 4

food price index

Answer 4

a measure of the monthly change in international prices of a basket of food commodities (base price 100)

Question 5

US cost of food vs the world

Answer 5

US consumers spend approximately 9% of their income on food, less than the rest of the world

Question 6

Locations of the food shortages

Answer 6

indian subcontinentor in sub-saharan africa

Question 7

what other populations will grow as the human population increases?

Answer 7

Livestock, house pets

Question 8

what resources will decrease as human population increases?

Answer 8

grassland, trees, aquifers, fish

Question 9

countries that have reached population stability

Answer 9

western and eastern europe. east asia (japan, china, north and south korea, tiawan) and latin america are close to population stability

Question 10

China’s one child policy

Answer 10

each couple may only have one child. causes many orphaned children, children abandoned and left to die. more boys than girls b/c they are more favorable

Question 11

increase demand for protein

Answer 11

due to increase in global wealth

Question 12

meat consumption worldwide

Answer 12

meat consumption is rising due to the industrial and newly industrializing countries

Question 13

wind erosion

Answer 13

evidence of wind erosion is dust storms, common in the great plains where wheat is grown

Question 14

water used to produce food

Answer 14

2,000 liters per day used to produce food

Question 15

aquifers

Answer 15

rapidly being depleted

Question 16

top grain producers

Answer 16

india, china and the united states

Question 17

length of day and wheat yield

Answer 17

wheat yield is increased with the increasing daylight short days along the equator produce low wheat yields

Question 18

fertilizer use

Answer 18

58% of fertilizer is used by the united states, china and india. american farmers swap crops with soybeans that fix nitrogen into the soil.

Question 19

temperature effect on growing season

Answer 19

a 1 degree rise in temperature above the normal duing growing season lowers wheat, rice and corn yields by 10%

Question 20

increasing demand for soybeans

Answer 20

increasing 7 million tons per year, due to population growth and biodiesel fuel

Question 21

increasing demand for soybeans

Answer 21

saudi arabia, china, india and south korea

Question 22

land purchased in africa

Answer 22

most of the land in africa is owned by the government so they can sell it easily, the land is also very cheap compared to other areas.

Question 23

use of carryover grain

Answer 23

feed and residual uses, seed uses

Question 24

examples of food riots

Answer 24

french revolution, fall of the confederate states of america, fall of the british raj food unrest can lead to political unrest when added to other concerns

Question 25

supply and demand side of food and production

Answer 25

demand-stabalize world population, eradicate poverty, reduce excessive meat consumption and reduce biofuels policies
supply-stabalizing climate, raising water productivity, conserving soil