Across
- 1. a layer in soil with characteristics distinct from other soil layers, such as color, composition, texture, and/or structure
- 3. the arrangement and composition of all the soil horizons in a given area
- 4. soil made of the largest sediment particles
- 7. matter made from non-living things like pebbles and sand
- 9. A soil that forms in place.
- 11. method agriculture in which different crops are grown side by side
- 12. dark-colored organic matter in soil that forms from decayed plants and animals
- 14. when trees are planted between fields to minimize wind erosion
- 16. the ground is plowed following the topography of the land
- 18. soil made up of smaller sediment particles than sand
- 19. the organic-rich, dark-colored soil on the surface of an area, defined as the A horizon
- 20. soil made up of the smallest sediment particles that are visible only by microscope
- 22. Method of farming in which terraces, or "steps," are built into the side of a hill or mountain and follow the topography of the land
- 23. the layer of solid rock located beneath the soil on Earth
- 24. Matter that comes from living things, like plants and animals, that contain carbon
Down
- 2. method of cultivation that avoids use of plowing
- 5. planting a field year-round even with plants that will not be harvested
- 6. a soil that has been moved from another location by erosional forces such as water, wind, or glacial movement
- 8. elements or compounds that an organism needs in order to survive
- 10. the soil lying immediately beneath the surface soil or topsoil
- 13. the material that covers most of the Earth's crust and is made up of rocks, minerals, and decomposing organisms
- 15. soil composed mostly of silt and sand, with a smaller proportion of clay
- 17. property of a material that allows liquid or gas to pass through it
- 21. the preexisting rock from which a metamorphic rock forms; the source of the inorganic portion of the soil