Soil Media

4. made from plant or animal tissue that contains carbon
6. White volcanic material that improve aeration and water-holding capacity.
7. Plant roots hang in air and are misted regularly with a nutrient solution.
9. Mica mineral matter used to start seeds and cuttings.
11. High carbon to nitrogen ratio that makes nitrogen unavailable for plant use

1. Do not contain Carbon and usually sterile.
2. The process of growing plants without soil.
3. Particles too large to use in seed germination media.
5. Mixture of partially decayed organic matter
8. Generally do not have bacteria or fungi so are considered sterile.
10. Material placed on soil to break the fall of raindrops (prevents erosion), prevent weeds from growing, or improve the appearance of the area