Soil Crossword

123456789101112131415161718192021222324252627282930313233
Across
  1. 4. land derived from areas with a high population of trees which tend to have a thin,moderately dark layer
  2. 8. the layer in a soil profile that includes underlying materials such as limestone, sandstone, or granite; also referred to as the R horizon
  3. 9. a large, long-lasting river of ice that is formed on land and moves in response to gravity
  4. 11. a midsize soil particle that has good water-holding ability and good fertility characteristics
  5. 13. a device used to differentiate the several classes of soil
  6. 14. soil that formed when the glaciers melted
  7. 16. a nutrient that helps plants catch the sun’s energy and grow
  8. 18. the degree or steepness, length, shape, and direction of a slope within a soil
  9. 20. a plant that is used to protect the soil rather than to be harvested
  10. 22. land derived from grassland areas with 1 to 2 feet of roots
  11. 23. one of the most rapidly used soil nutrients that provides plants with green, healthy growth
  12. 24. sediments deposited by streams as they flood
  13. 25. soil from a glacial sediment that often contains a variety of sizes of soil particles
  14. 26. a soil sample that contains roughly equal proportions of sand, silt, and clay and is considered highly fertile
  15. 28. the layer in a soil profile that is located under the topsoil and contains finer particles; also referred to as the B horizon
  16. 29. the proportion of sand-, silt-, and clay-sized particles that make up the mineral fraction of a soil
  17. 32. the weather conditions prevailing in an area in general or over a long period
  18. 33. the largest mineral particle that creates large pore spaces that improve aeration within the soil
Down
  1. 1. the accumulation of roots, living organisms, and decayed or partially decayed plants and animals.
  2. 2. the underlying geological material in which soil forms
  3. 3. a vertical cross section of the soil
  4. 5. the inorganic, or non-living, substances that come from weathered rock to form soil
  5. 6. such as wind or water
  6. 7. an agriculture technique for growing crops that maintains plant residues on the soil surface after tillage activities
  7. 10. soil that was moved and deposited by wind
  8. 12. the geological process in which earthen materials are worn away and transported by
  9. 14. the layer in a soil profile that is made up of partially decayed plant and animal debris; also referred to as the O horizon
  10. 15. the capacity of soil to function as a vital living ecosystem that sustains plants, animals, and humans
  11. 17. the surface layer in a soil profile where organic matter accumulates; also referred to as the A horizon
  12. 19. the outer portion of the earth’s crust that supports plant growth
  13. 21. a “regulator” nutrient that aids in the growth and reproduction of plants
  14. 27. a layer of soil
  15. 30. the smallest-size soil particle
  16. 31. the loss of water-soluble plant nutrients due to water carrying them down through the soil
  17. 33. the layer in a soil profile that contains the parent material from which the soil is derived; also referred to as the C horizon