Across
- 3. small insect pests normally found in greenhouses that infest crops such as tomatoes
- 5. plant material that is worked into the soil to improve water holding and nutrient capacity
- 9. one or more blades fixed to a frame that turn soil over in preparation for seeding
- 13. a second or additional adjustment to a measuring instrument or part of a larger piece of equipment that regulates normal operation to assure proper functioning and reporting
- 14. machines that bundle trees together in logging operations
- 16. the part of a nail or screw that is directly under the head, usually unthreaded
- 17. fuels based on oil, such as gasoline and diesel
- 20. the design, layout, and instructions for a particular project
- 23. a device surrounding a tube of liquid containing a bubble, which shows the user if an object is level or plumb
- 25. science, art, and business of growing and marketing crops and animals
- 28. large machines that harvest grains
- 31. a machine that cuts a path as wide as the blade
- 32. a method of planting seeds in which all of last year's crop residue remains on the soil
- 34. a product you would like to make in the shop
- 35. breaking up the soil in order to seed crops
- 36. types of manual grass cutters that are powered by pushing
- 37. the science of managing forests to produce quality lumber
- 38. a machine that gathers logs together to move them
Down
- 1. machines that harvest crops to create silage, or feed, for animals
- 2. a simple tool used to increase force
- 4. agricultural equipment used to break up clumps of soil in preparation for planting
- 6. vitally important or necessary
- 7. workers in the forestry field who manage tree stands
- 8. the matter left over from last year's crop that remains on top of the soil
- 10. a dangerous colorless, odorless gas, which can kill and is produced by engines
- 11. a fastener that goes through a material and connects to a nut
- 12. a device that determines if an item is horizontal or vertical
- 15. two objects rubbing against each other when they are moving
- 18. the process or the fluid used to reduce friction
- 19. soilless mix of materials for plant growth such as "potting soil"
- 21. genetic crosses that are stronger than the parents and will not breed true to form
- 22. a serious event during which mobile farm equipment or some other vehicle moves off its wheels, coming to rest either on the side of the equipment or upside-down
- 24. the thickness of oil at certain temperatures
- 25. the study of soil and plants related to crop production
- 26. a tape or stick made of metal, wood, or plastic that is marked off by inches, in which eighths or sixteenths of an inch are marked as well
- 27. tools that carry logs out of the forests to transportation
- 29. the air incorporated into the soil
- 30. required
- 33. poison level
- 34. machines that break the soil and turn it over