GROWING MEDIA

2. measure of the empty space betwen solid particles in the soil
4. outermost layer of the earth that contains highest concentration of organic matter
6. Cation Exchange Capacity
11. exposing soil under the sun to kill or destroy pest and pathogens
12. powdery collection of fine wood particles created when cutting and sanding wood.
14. used materials without soilto grow plants

1. material or substrate that support plant growth
3. Hull, hard protecting coverings of rice grains used for soilless growing media
5. Moss, decayed sphagnum moss
6. decayed organic matter used to improve soil
7. manure, primarily animal feces used as soil conditioner
8. characteristic of a growing media that resist crushing under moderate pressure
9. used to specify the acidity or alkalinity of soil
10. coconut fiber
13. used soil as growing media