Across
- 6. the emergence of new varieties of crops
- 9. lifestyle of hunting and gathering to one of agriculture and settlement
- 12. form of farming in which nearly all of the crops or livestock raised are used to maintain the farmer and the farmer's family
- 15. a mode of farming long followed in the humid tropics of Sub-Saharan Africa, Southeast Asia, and South America
- 18. a form of subsistence agriculture in which farmers must expend a relatively large amount of effort to produce the maximum feasible yield from a parcel of land
- 19. a way of life of peoples who do not live continually in the same place but move cyclically or periodically
- 20. leveled rice field surrounded by bund with inlet and outlet connecting irrigation and drainage
- 21. an area that has limited access to affordable and nutritious food
Down
- 1. when the food is produced for sale
- 2. a form of conservation tillage where the farmer builds ridges or raised beds
- 3. the art or practice of garden cultivation and management
- 4. the process by which fertile land becomes desert
- 5. a practice where farmers harvest one crop, and then plant and harvest a second crop in the same field
- 7. series of different types of crops in the same area across a sequence of growing seasons
- 8. intended to protect the environment, expand the Earth's natural resource base, and maintain and improve soil fertility
- 10. the production of crops of some vegetables on an extensive scale in regions especially suited to their culture primarily for shipment to distant markets
- 11. an area of land cleared for cultivation by slashing and burning vegetation
- 13. an estate on which crops are cultivated
- 14. a region producing milk that may be supplied to the area of demand
- 16. agriculture conducted on commercial principles
- 17. action or practice of moving livestock from one grazing ground to another in a seasonal cycle