Across
- 3. a community of interacting organisms their physical environment
- 5. Cycle that involves the continuous circulation of water on, above and below the surface of Earth
- 7. (of foods or farming methods) produced without the use of chemical fertilisers, pesticides or other artificial chemicals
- 10. a line on a map to indicate areas having the same atmospheric pressure
- 14. sunlight, radiation emitted by the sun
- 17. ploughed but left for a period without being sown (plant seeds) in order to restore its fertility and to allow land to recover
- 18. movement of nutrients from one location to another
- 21. farming of aquatic organisms
- 24. lack of change in a system as inputs and outputs remain in balance
- 25. the accumulation of salt in land and water to a level that damages the natural and built environment
- 26. taking land illegally or underhandedly
- 27. a natural community or habitat of flora or fauna that share common characteristics
- 28. business related to farming and farming-related commercial activities
Down
- 1. practice of growing a series of different types of crops in the same area across a sequence of growing seasons.
- 2. unit for measuring atmospheric pressure
- 4. foods derived from organisms whose DNA has been modified in a way that does not occur naturally
- 6. the supply of water to land or crops to help growth, typically by means of channels
- 8. the weather conditions prevailing in an area over a long period or in general
- 9. great increase in production of food grains (especially wheat and rice) due to the introduction of better management strategies, use of pesticides etc, beginning in the mid-20th century (1950s)
- 11. variety of all life forms on earth
- 12. when all people, at all times, have physical, social and economic access to sufficient, safe and nutritious food to meet dietary needs for productive and healthy life.
- 13. the cultivation of a single crop in a given area
- 14. the ability to maintain one’s need at a certain rate or level without depleting over time
- 15. an agricultural practice that suggests rearranging farmlands or turning hills into farmlands by constructing specific ridged platforms (terraces)
- 16. liquid favouring base for soups and sauces
- 19. (of a disease or condition) regularly found among particular people or in a certain area
- 20. measure of how much light is reflected back from a body, typically that of a planet or the moon
- 22. the distance north or south of the equator
- 23. Parts of Earth where life exists