Don't Tell the Soil your Secrets, it knows all the Dirt.
Across
- 3. The bottom layer where hard rock is located; no organic material is here; lots of minerals in this layer
- 5. The process of carrying away soil, sediment, & rock from one place to another.
- 7. 100-200 mm deep; contains nutrients for plants, contains humus
- 9. E-Horizon
- 11. the product of the decomposition process using various species of worms, usually red wigglers, white worms, and other earthworms, to create a mixture of decomposing vegetable or food waste, bedding materials, and vermicast.
- 12. One of the tools scientists use to visualize & understand soil texture; can be used to classify soil based on percentage of sand, clay, and silt.
- 13. the production of compost by piling organic matter or biodegradable waste, such as animal manure and crop residues, in long rows
Down
- 1. The initial stage of soil formation is the accumulation of the?
- 2. Composed of clay & holds water; can erode easily if exposed.
- 3. There are 3 types of weathering: Chemical Physical and?
- 4. a series of biological processes in which microorganisms break down biodegradable material in the absence of oxygen.
- 6. soil that has an even mixture of clay, sand, and silt.
- 8. Temperature determines the rate of chemical reactions and the intensity of biological activity. Also freeze-thaw processes.
- 10. Makes up the top part of the Earth’s crust and is composed of organic & inorganic material
- 14. The shape of the land surface influences the redistribution of the water received as precipitation