Across
- 3. to describe a farm in which animals are kept in densely populated buildings or lots and fed a diet of grains brought to the farm
- 5. in modern-day Iraq, Turkey, and Syria where geographers believe that some of the earliest domestication of plants and animals took place
- 10. used to describe a field that is not planted for several years so that it can regain nutrients lost during planting
- 13. used to describe a field that has been prepared for planting by cutting and burning forest cover
- 17. type of climate that experiences warm to hot weather all year long
- 20. process of genetically altering a plant or animal species through selective breeding so that it becomes dependent upon humans
- 21. practices that require fewer inputs of labor and/or capital per unit of land
- 22. practice of draining excess water from an area so that the area can be used for farming
- 23. practice of channeling water to an area that otherwise would be too dry for productive farming
- 24. survey system created by the US government that divided large areas into square-mile sections
- 25. practices that require greater inputs of labor and/or capital per unit of land
Down
- 1. practice that involves moving herds of animals from pasture to pasture
- 2. practice of removing trees and shrubs from an area so that the area can be planted
- 4. survey system in which tracts of land are identified by natural features such as rivers, ridges, etc.
- 6. agricultural practice that involves removing forest cover from a piece of land, farming that land for a few years, and then moving on to another piece of land
- 7. in which farm products are grown mostly for use by the farming family
- 8. during which many plants and animals diffused between Europe and the Americas
- 9. practice that involves allowing animals to forage on very large tracts of land. It is a common practice in the American West
- 11. of nomadic herding that involves moving livestock from lowland fields to highland fields and back
- 12. practice of cutting level "steps" into hillsides for planting crops
- 14. form of agriculture in which vegetables and fruits are produced for a market
- 15. in which farm products are grown mostly for sale in a market
- 16. who theorized about the process of domestication of plants and animals
- 18. large commercial farm usually found in developing countries that employs laborers to harvest a single crop, usually for export
- 19. survey system used in French colonies in North America. It was designed to give as many settlers as possible access to waterways.
