Across
- 3. water that is held too tightly by soil particles for plant roots to absorb
- 5. water that flows up the mouth of a river as the ocean tide rises and comes in
- 7. movement of water to surface, to atmosphere, to surface
- 8. material that supplies nutrients for plants
- 9. drinkable/free of harmful chemicals and organisms
- 12. wearing away
- 13. planting of different crops in a given field every year or every several years
- 15. seed is planted directly into the residue of the previous crop
- 16. level below which soil is saturated or filled with water
- 17. water held by soil particles and available for plant use
- 18. material placed on soil to break the fall of raindrops
- 19. water that flows from the land to oceans and contains little to no salt
- 20. water-bearing rock formation
Down
- 1. water that drains out of soil after it has been wetted
- 2. level line around a hill
- 4. techniques of soil preparation, planting, and cultivation that disturb the soil the least
- 6. removal of soil from broad areas of the land
- 8. interdependence of plants or animals on each other for food
- 10. soil or wall structure built across the slope to capture water and move it safely to areas where it will not cause erosion
- 11. addition of water to plants to supplement that provided by rain or snow
- 14. a large land area from which water flows or from which it is absorbed from rain or melted snow, and from which water drains as it emerges from springs and moves into streams