Agriculture

Across

6. a flooded field for growing rice
10. any plant gathered from a field as a harvest during a particular season
11. harvesting twice a year from the same field
14. a form of subsistence agriculture in which people shift activity from one field to another;each field is used or crops for a relatively few years and left to furrow for a relatively long period
15. rice planted on dry land in a nursery and then moved to a deliberately flooded field to promote growth.
18. 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 degredation
22. commercial gardening and fruit farming,so named for the Middle English word truck, meaning "barter" or "exchange of commodities"
23. commercial farming characterized by integration of crops and livestock;most of the crops are fed to animals rather than consumed directly by humans.
24. a farming practice that leaves all of the soil undisturbed and the entire residue of the previous year's harvest left untouched on the field
27. the deliberate effort to modify a portion of Earth's surface through the cultivation of crops and raising of livestock for sustenance or economic gain
29. the seasonal migration of livestock between mountains and lowland pastures
31. a form of subsistence agriculture characteristics of Asia's major population concentrations in which farmers must expend a relatively large amount of effort to produce the maximum feasible yield from a parcel of land
34. another name for shifting cultivation, so named because fields are cleared by slashing the vegetation and burning the debris
35. commercial agriculture characterized by the integration of different steps in the food-processing industry,usually through ownership by large corporations

Down

1. a form of commercial agriculture in which livestock graze over an extensive area
2. a large farm in tropical and subtropical climates that specializes in the production of one or two crops for sale, usually to a more developed country
3. agriculture designed primarily to provide food for direct consumption by the farmer and the farmer's family
4. dietary energy consumption that is continuously below the minimum requirement for maintaining a healthy life and carrying out light physical activity
5. the time when humans beings first domesticated plants and animals and no longer relied entirely on hunting and gathering
7. the cultivation of seafood under controlled conditions
8. a grass that yields grain for food
9. physical,social,and economic access at all times to safe and nutritious food sufficient to meet dietary needs and food preferences for an active and healthy life.
10. the practice of rotating use of different fields from crop to crop each year to avoid exhausting the soil
11. the amount of food an individual consumes, measures in kilocalories(calories in the United States)
12. the most productive farmland
13. a living organism that posses a novel combination of genetic material obtained through the use of modern biotechnology
16. the growing of fruits,vegetables, and flowers
17. a form of commercial agriculture that specializes in the production of milk and other dairy products
19. agriculture undertaken primarily to generate products for sale off the farm
20. the capture of wild fish and other seafood living in the water
21. the Malay word for wet rice, increasingly used to describe a flooded field
25. a system of planting crops on ridge tops in order to reduce farm production costs and promote greater soil conservation
26. capturing fish faster then they can reproduce
28. a form of subsistence agriculture based on herding domesticated animals
30. rapid diffusion of new agricultural technology, especially new high-yield seeds and fertilizer
32. the area surrounding a city from which milk is supplied
33. seed of cereal grass
34. a patch of land cleared for planting through slashing and burning