AFNR 4.1 Vocabulary

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Across
  1. 4. An organism so small that it cannot be seen clearly without the use of a microscope; a microscopic or submicroscopic organism.
  2. 6. A group of textural classes in which the particles are finer than gravel but coarser than silt, ranging in size from 2.00 to 0.5 millimeters in diameter.
  3. 9. The mineral and organic surface of the earth capable of supporting upland plants. It has been formed by the active factors of climate and biosphere exerting their influence on passive parent material and topography over neutral time.
  4. 10. The long-term average. weather conditions
  5. 11. The group of processes whereby earthy or rock material is worn away, loosened or dissolved, and removed from any part of the earth's surface.
  6. 15. any living individual whether plant or animal.
  7. 16. the artificial application of water to the soil for the purpose of increasing plant production.
  8. 17. A size term denoting particles, regardless of mineral composition, with a diameter less than 2 microns.
  9. 18. Mineral matter of variable composition, consolidated or unconsolidated, assembled in masses or considerable quantities in nature.
  10. 20. Process of soil deposited due to erosion
  11. 22. To move or transfer from one place to another; cause to change location; displace.
  12. 25. Atmospheric action on rock surfaces producing decomposition, disintegration, or alteration of rocks ar or close to the earth's surface.
  13. 27. any vegetation that grows close to the ground, producing protection for the soil.
  14. 29. small, mineral, soil particle, ranging in diameter from 0.5 to 0.002 millimeters.
Down
  1. 1. Unweathered hard rock that lies directly beneath soil layers or beneath superficial geological deposits, such as glacial drift
  2. 2. the removal of soluble constituents from soils or other materials by percolating water.
  3. 3. accumulation of water-worn pebbles larger than two millimeters in diameter.
  4. 4. Soil whose properties are dominated by soil mineral, usually containing less than 20 percent organic matter.
  5. 5. the horizon of weathered rock or partially weathered soil material from which the soil is formed.
  6. 7. The addition of sediment, as by flowing water
  7. 8. To gather or collect
  8. 12. Decrease in volume of sediments, as a result of compressive stress, usually resulting from continued deposition above them.
  9. 13. Slope of the land and the position on the landscape, such as the top of a hill, a hillside, or the foot of a slop.
  10. 14. Change in form, appearance, nature, or character.
  11. 19. Color difference on a mass of moderately poorly drained soil.
  12. 21. An elongated depression between uplands, hills, or mountains.
  13. 23. Matter found in, or produced by, living animals and plants, which contains carbon, hydrogen, oxygen, and often nitrogen and sulfur
  14. 24. Designating the inorganic nature of a substance.
  15. 26. refers to the extent of voids or openings in the soil that exists between soil particles and soil peds or clods. These pores hold water and air for absorption by plant roots.
  16. 28. Process of removing soil from the surface