Across
- 6. area surrounding a city from which milk is supplied
- 8. flooded field for growing rice
- 9. system of planting crops on rigid tops in order to reduce farm production costs and promote greater soil conservation
- 10. commercial gardening and fruit farming, so named because truck was middle English word meaning "bartering" or "exchange of commodities"
- 11. rapid diffusion of new agriculture technology, especially new high yield seeds and fertilizers
- 13. patch of land cleared for planting through slashing and burning
- 14. agriculture designed primarily to provide food for direct consumption by the farmer and their family
- 15. growing of fruits, vegetables and flowers
- 16. the time when human beings first domesticated plants and animals and no longer relied entirely on hunting and gathering
- 19. commercial agriculture characterized by the integration of different steps in the food-processing industry, usually through ownership by large corporations
- 20. degradation of land, especially in semiarid areas, primarily because of human actions such as excessive crop planting, animal grazing and tree cutting, also known as semiarid land degradation
- 21. seasonal migration of livestock between mountains and lowland pastures
Down
- 1. form of subsistence agriculture based on herding domesticated animals
- 2. large form in tropical and subtropical climates that specialized in the production of one or two crops for sale
- 3. form of substance agriculture which farmers must expand a relatively large amount of effort to produce the maximum feasible yield from a parcel of land
- 4. agriculture undertaken primarily to generate products for sale off the farm
- 5. harvesting twice a year from the same field
- 7. farming methods that preserve long tern productivity of land and minimize pollution, typically by rotating soil restoring crops with cash crops and reducing inputs of fertilizer and pesticides
- 12. form of subsistence agriculture in which people shift activity from one field to another, each field used for crops for a relative of a few years and left fallow for a relatively long period of time
- 17. area in developed country where healthy food is difficult to obtain
- 18. the practice of rotating use of different fields from crop to crop each year to avoid exhausting the soil