Agriculture

5. The practice of raising plants and livestock for food or other human needs
6. The practice of growing different crops at different times on the same land
9. An agricultural practice in which diverse species are raised in the same area
12. To harvest so much of a resource that its existence is threatened
14. Adding water to an agricultural field to allow certain crops to grow where the lack of water would normally prevent their cultivation
15. The growth of a single crop, usually on a large area of land

1. A product that has been produced according to standards defined by government or independent agencies
2. The breeding, raising, and harvesting of animals in specially designed aquatic environments
3. Producing food to meet the needs of the present without compromising the ability of future generations to meet their needs
4. Confining animals to a small area of pasture for a short time, before shifting them to a new location
7. A system that uses biological organisms, chemical substances, and crop rotation to help keep pest populations under control
8. General term for protective ground cover
10. The conversion of arid and semi-arid lands into the deserts by inappropriate farming practices or overgrazing
11. Produced when micro-organisms in soil break down organic matter in the presence of oxygen
13. Any chemical used to kill or control populations of unwanted fungi, animals, or plants