Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
WFHS-Soils
Soil Vocab
| Term | Definition |
|---|---|
| Growing Media | the material that provides plants with nourishment and support through their root systems |
| Decomposed | decayed into soil-building materials and nutrients |
| Leaf Mold | partially decomposed plant leaves |
| Compost | mixture of partially decayed organic matter |
| Sphagnum | pale and ashy mosses used to condition soil |
| Peat Moss | a type of organic matter made from sphagnum moss |
| Perlite | natural volcanic glass material having water-holding capabilities |
| Vermiculite | mineral matter used for starting plant seeds and cuttings |
| Leached | certain elements have been washed out of the soil |
| Microbe | living organism that requires the aid of a microscope to be seen |
| Parent Material | the horizon of unconsolidated material from which soil developes |
| Soil Horizon | A distinct layer of soil |
| Soil Profile | a cross section view of the soil |
| Percolation | movement of water through the soil |
| Permeable | permitting movement |
| `O Horizon | the soil layer that is on the surface that is composed of organic matter and a small amount of mineral matter |
| A Horizon | layer near the soil surface that is made up of desirable proportions of mineral and organic matter |
| B Horizon | soil below the A horizon (top soil) and generally referred to as subsoil |
| C Horizon | soil below the B horizon; it is important for storing and releasing water to the upper layers of soil |
| Silt | intermediate soil particles; .05 - .002mm |
| Sand | largest soil particles; 1 to .05mm |
| Loam | a relatively even mixture of sand, silt, and clay |
| Clay | smallest of soil particles; less than .002mm |
| Mineral Matter | non-living matter such as rocks |
Created by:
jonbri29