Across
- 3. John __________ invented the first steel plow
- 8. Site-specific farming uses __________ maps of the land
- 9. is a tool that loosens the soil
- 12. Louis __________ invented pasteurization
- 14. is used to control insect pests
- 15. used to control insect pests
- 17. anything that causes injury to animals, plants, and property
- 18. Cyrus __________ invented the harvester
- 19. Technology has __________ productivity
Down
- 1. __________technology is using physical force to do work
- 2. is the use of inventions in working and living
- 4. food __________ is a method used to keep food from spoiling
- 5. gathers or picks crop products
- 6. early machines were first powered by humans and later by __________
- 7. The first __________ was developed from a tree branch
- 9. is a small animal that lives in or on another a1800sCanning was developed by Nicolas Appert in the early 1800's
- 10. is used to control weeds
- 11. a plant or animal resulting from the transfer of a gene from another organism
- 13. Benjamin __________ invented the tractor for pulling implements.
- 14. a new device or product
- 16. Gregor Mendel studied __________
