Farming revision

6. Crop _______________ is the total loss of a harvest due to weather, pests, or disease.
8. The method of growing plants in water and nutrients, without soil.
11. The process which directly modifying an organism's DNA to change its characteristics.
13. The use of living organisms to develop new products, like GM crops.
14. The science or practice of farming.
15. The total number of people living in an area.
17. Food _____________ refers to the amount of food that people need or want.
18. Wastewater and human waste that can pollute water sources.
20. The process by which fertile land becomes desert.
21. Farming just enough food to feed one's own family.

1. A chemical or natural substance added to soil to increase fertility.
2. ___________ crop grown to be sold for profit, like tobacco or coffee.
3. A prolonged period of abnormally low rainfall.
4. Food ____________ is a situation where there is not enough food for everyone.
5. A substance used to kill insects or other organisms harmful to crops.
7. The artificial application of water to land to help crops grow.
9. ____________ farming focused on raising animals like sheep or cattle.
10. Farming that uses high inputs of labor or capital on a small area.
12. ______________food are basic, essential food like rice or wheat that is eaten regularly.
16. RAIN Precipitation that is unusually acidic and harmful to the environment.
19. ___________ farming combines growing crops and raising livestock.