Soil Crossword
Across
5. lowering the quality of soil
6. made of small particles
8. a mixture of weathered rock, minerals, nutrients, decaying organic matter,water, air, and billions of living organisms
10. Layers with different composition
11. allows for the diffusion of oxygen and carbon dioxide
12. layer of soils
13. consists of 40% sand, 40% silt and 20% clay
14. Breaking down of rock
16. the process of fostering the decay of organic matter
Down
1. is the wearing away and transportation of soil
2. the formation and expansion of degraded areas of soil
3. made of very fine particles
4. also called minimum tillage and no-till farming
7. removes cover material and compacts soil
9. Water moves material through the soil horizons
10. made of large particles
15. organic matter that remains after leaves etc are decomposed