Across
- 3. methods that can improve efficiency, optimize resources, and prevent or help reduce pollution
- 5. the part of the plant that grows into the soil to anchor the plant and collect water and nutrients
- 8. a primary agricultural product that can be bought and sold
- 10. vegetation that is plowed into the field to improve soil composition; normally a legume such as beans or alfalfa
- 11. relating to living things; made without the use of artificial chemicals
- 13. any material of natural or synthetic origin that is applied to soils or plant tissues to supply one or more nutrients essential to plant growth
- 18. helps farmers apply the right source of nutrients at the right rate, time and place on their fields
- 21. a substance that is lacking
Down
- 1. the stage of plant growth where flowers and fruit are formed
- 2. the male part of a corn plant that emerges from the top of the plant and bears many small flowers that release pollen grains
- 4. a measurement of the amount of heat needed for a corn plant to reach various stages of growth
- 6. any material of natural or synthetic origin that is applied to soils or plant tissues to supply one or more nutrients essential to plant growth
- 7. the part of a plant stem from which one or more leaves emerge, often forming a slight swelling or knob
- 9. a softer, usually edible part of a nut, seed, or fruit stone contained within a hard shell
- 12. a mixture made of decaying organic material used to fertilize plants and amend soils
- 14. the female parts of the corn plant which are found in the shoot that will develop into the ear of corn
- 15. a dry outer covering of some fruit, seeds, or nuts
- 16. the flat or needlelike part of a plant where photosynthesis happens
- 17. a period of plant growth between germination and flowering
- 19. animal waste used for fertilizing land
- 20. any material added to soil to make it more productive such as fertilizer or compost