Chp 12 Soil Vocab Crossword - Sec 1 and 2

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Across
  1. 2. -a distinct layer of soil
  2. 5. -a soil conservation method in which two or more crops are planted in one field
  3. 6. -the mixture of disintegrated rock, organic matter, water, gases, nutrients, and microorganisms that supports plant growth
  4. 8. -allowing animals to eat so much of the plant cover in a field or pasture that the new plants cannot grow
  5. 9. -soil particles that are 0.002 to 0.05mm in diameter
  6. 10. -soil particles that are 0.05 to 2mm in diameter
  7. 11. -a fast-growing crop that is planted in the interval between harvest and the next season's planting
  8. 15. -the deterioration of those characteristics of soil needed for plant growth or other ecosystem services
  9. 16. -soil particles that are less than 0.002 mm in diameter
  10. 17. -one or more rows of trees or other tall, perennial plants planted along the edge of a field to prevent wind erosion; also called a windbreak
  11. 19. -a soil conservation method in which the type of crop grown in a field is alternated from one season or year to the next
  12. 21. -a loss of more than 10 percent in the productivity of soil due to erosion, deforestation, overgrazing, drought, or other factors
  13. 22. -soil that is approximately equal parts clay, silt, and sand
  14. 23. -using a source other than precipitation to water crops
Down
  1. 1. -the turning over of soil before planting
  2. 3. -a cross section of all the soil horizons in a specific soil, from surface to bedrock, in a specific area
  3. 4. -a chemical used to kill organisms that attack or compete with plants that humans value
  4. 7. -the base geological material in a particular location
  5. 12. -a soil conservation method in which furrows are plowed across a hillside, perpendicular to its slope
  6. 13. -the physical and chemical processes that break down rocks and minerals into smaller particles
  7. 14. -the buildup of salts in the surface layers of soil
  8. 18. -a soil conservation method in which sloped land is transformed into a series of steps to prevent soil erosion
  9. 20. -the mass of solid rock that makes up Earth's crust