Across
- 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.
Down
- 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.