Across
- 2. Natural volcanic rock used as a growing medium.
- 3. Materials that do not add nutrients, just support plants.
- 4. A media property that determines how much water it can retain.
- 8. Foam-like cubes used in propagation.
- 9. The amount of air space in a medium, affecting aeration and drainage.
- 12. Property of a medium that attracts and holds water.
- 17. Media property that physically stabilizes plants.
- 19. How nutrient solution moves through or around the media.
- 20. Property that allows oxygen to reach roots in a growing medium.
- 21. Recycled glass turned into porous stones for media.
- 22. Decomposed sphagnum moss often used in soil or hydroponics.
- 23. The ability of the media to hold nutrients for plant roots.
- 25. Stage of plant growth where cubes or foam pads are often used.
- 26. Byproduct of timber, sometimes used in media mixes.
- 27. Media that naturally breaks down over time, like rice hulls.
- 28. Expanded mica; sponge-like.
- 29. Made from spun molten rock into fibers; used in cubes or slabs.
Down
- 1. How water moves through the growing media to reach roots.
- 2. Expanded volcanic glass; lightweight and airy.
- 5. Media like Growstones made from repurposed materials.
- 6. Mats used in NFT and ebb/flow systems to distribute water evenly.
- 7. Includes water-holding capacity, aeration, pH neutrality, reusability, and sterilization.
- 10. Important property for transportable or vertical hydroponic systems.
- 11. Baked clay balls used in hydroponics.
- 13. Materials that anchor roots, retain moisture and air, and provide structure.
- 14. Polyurethane or similar pads used to anchor seedlings.
- 15. Property of a medium that repels water.
- 16. Fiber from coconut husks.
- 18. Ability of media to maintain moisture between waterings.
- 24. Husk of rice grain, used as a growing medium or soil amendment.