Across
- 3. type of plants that were originally in the environment
- 4. scientific procedure used to test a hypothesis
- 5. adding water to plants in a controlled way
- 7. the rate at which water passes through soil
- 10. type of irrigation where water is gradually released to the base of the plant
- 11. initial explanation of an observation to be tested
- 13. fine soil which is very moisture retentive
- 14. fertile soil containing clay, sand, silt and humus
Down
- 1. soil with a high content of organic matter and moisture
- 2. soil's ability to allow water movement into and through the soil
- 6. liquid needed to sustain life
- 8. soil's ability to maintain water within it
- 9. the usage of a resource in a way that prevents waste
- 12. substance that all plant life lives in