Ch 8 Soilless Plant Production

5. Cultivation of plants in water.
6. (2words) For horticultural soil-plotting mixes, refers to large, inorganic particles used to create large pores in the mix.
7. (2words)An instrument used to measure the soluble salts concentration in soil or potting mixes.
9. (2words)Clays that expand greatly upon absorption of interlayer water and shrink upon drying.
10. The symbiotic cultivation of plants and fish in a recirculating environment. Plants use the waste from the fish and the fish use the water cleaned by the plants.
11. Growing plants without soil.
12. Growing materials in which plants can be started that are loose, well drained, fine textured, low in nutrients, and free of disease.
13. (3words) A hydroponic method of growing plants where a very shallow stream of water containing all the dissolved nutrients required for plant growth is recirculated past the bare roots.
14. Inorganic fibrous substance that is produced by steam blasting and cooling molten glass or a similar substance and is used as an insulator and filtering material.

1. (2words)Plant growing media made up of some type of course aggregate, organic amendment, and possibly some soil.
2. (3words)A zone of saturated soil that is maintained above the normal water table.
3. (2words) Chemicals that combine with metal ions and remove them from their sphere of action.
4. Fiber obtained from the husk of a coconut.
8. (2words) Hydroponic method in which the nutrient solution constantly flows past the roots.
10. The process of growing plants in an air or mist environment.