3. A long-term diet lacking trace amounts of iodine may result in
4. A severe shortage of food accompanied by long-term hunger of most of the population, many deaths, and social disruption is called
5. Ironically, those who are overnourished face similar health problems of those who are undernourished.
6. These foods provide almost 50% of daily calories consumed by people of the world.
7. Industrialized agriculture is also called high-input agriculture because
8. Which type of farming is most used by the poor tropical farmer?
9. Soil "layers" of distinctive composition are called soil
10. The green revolution was made possible by large inputs of water, fertilizers, and pesticides, increasing the number of crops grown per year per plot of land, and
11. For thousands of years we have been modifying plants by crossbreeding and hybridization. These processes have yielded the domesticated crop plants we eat today. Aside from the 10-15 years it takes to develop a new variety of tomato or corn, what disadvantage is there to new varieties produced by this method?
12. Meat animals (primarily cattle, pigs, and chickens)
13. The fastest growing area of food production currently is
14. The "blue revolution" refers to
15. Topsoil erosion leads to
16. Repeated annual application of irrigated water in dry climates leads to a buildup of salts in upper soil layers in a process called
17. Genetically modified (GM) foods
18. The kind of chemical used to kill pest plants is called a/an
19. An old method of farming has been found to be helpful in keeping pest populations low. This practice is
20. In order to help improve food production, governments sometimes ________ as a way of helping farmers.
21. Terracing, contour planting, strip planting, and wind breaks all have this in common: they are mainly used to
22. In terms of being healthy and living longer, studies indicate the poorest diet
Brendan Swanson