Across
- 3. revolution, the term used to describe the transformation in agricultural practices in many parts of the developing world between 1940 and the 1960s
- 8. rotation, the practice of growing a series of different types of crops in the same area across a sequence of growing seasons
- 9. cycle, the continuous circulation of water within the Earth’s hydrosphere driven by solar radiation
- 13. a large area characterised by its' vegetation, wildlife, soil and climate
- 15. a line on the map connecting points having the same atmospheric pressure at a given time or an average over a given period
- 18. having a variety of plant and animal life in the world or in a particular habitat
- 19. flow, the movement and exchange of organic and inorganic matter back into the production of matter
- 21. agriculture conducted strictly conducted on commercial principles
- 22. farming of aquatic organisms
- 24. the quality or degree of being salty
- 26. used as a measure of the reflectivity of the Earth’s surface in relation to the Sun’s energy
- 27. a narrow zone of the earth where land, air and water interact with each other to support life
- 29. describes things that are natural or related to nature
Down
- 1. a community of living organisms in conjunction with the nonliving components of their environment
- 2. the artificial process of applying controlled amounts of water to land to assist in production of crops
- 4. when an infection is constantly maintained at a baseline level in a geographic area without external inputs
- 5. security, when all people have reliable access to sufficient, affordable, nutritious food to support a healthy life
- 6. a farming technique in which arable land is left without sowing for one or more vegetative cycles
- 7. equilibrium, this exists once a reversible reaction occurs
- 10. the long term pattern of weather in a particular area
- 11. the practice of using natural resources responsibly so that they can support both present and future generations
- 12. the international unit for measuring atmospheric or barometric pressure
- 14. radiation, the general term for the electromagnetic radiation emitted by the sun
- 16. modified foods, foods which are produced from organisms that have had changes introduced to their DNA using methods of genetic engineering
- 17. the cultivation of a single crop in an area
- 20. a series of terraces dividing a slope into a step-like system of flat narrow fields
- 23. the measurement of distance North or South of the equator, and is measured by 180 lines that form circles, parallel to the equator
- 25. grabbing, large-scale land acquisitions mainly by private investors but also by public investors and agribusinesses that buy farmland or lease it on a long term basis to produce agricultural commodities
- 28. stocks, the food reserves and imported agricultural goods as a means to cope with crop failures and food shortages