Across
- 1. agriculture undertaken primarily to generate products for sale off the farm
- 8. Agriculture designed primarily to provide food for direct consumption by the farmer and his family
- 9. a form of subsistence agriculture based on herding domesticated animals
- 11. degradation of land, especially semiarid areas primarily because of human actions such as excessive crop planting
- 14. a flooded field for growing rice
- 15. a system of planting crops on ridge tops
- 16. a large farm in tropical and subtropical climates
- 18. harvesting twice a year from the same field
- 19. the growing of fruits, vegetables, and flowers
- 20. the time when human beings first domesticated plants and animals.
- 21. areas with little or no access to healthy and affordable food
Down
- 2. 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
- 3. a series of agricultural revolutions that increased the planets capacity for supporting human life.
- 4. the seasonal migration of livestock between mountains and lowland pastures
- 5. the practice of rotating use of different fields from crop to crop each year to avoid exhausting the soil
- 6. the area surrounding a city from which milk is supplied
- 7. commercial gardening and fruit farming
- 10. a patch of land cleared for planting through slashing and burning
- 12. farming methods that preserve long-term productivity of land and minimize pollution
- 13. a form of subsistence agriculture in which people shift activity from one field to another
- 17. Commercial agriculture characterized by the integration of different steps in the food-processing industry
