Soil Science 212 Midterm Exam

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Across
  1. 2. the inherent capacity of soil to support plant growth
  2. 6. the place where earliest recording of soil fertility was noted
  3. 7. chemical substance added to soil to help plant growth
  4. 10. help carry metal ions during nutrient intake
  5. 12. Controls soil distribution due to presence/absence of plants
  6. 14. the ability of soil to turn out the quantity of plants
  7. 17. movement that does not exert energy
  8. 18. a condition of soil the limits nutrient availability
  9. 20. Controls soil distribution due to differences in elevation
  10. 21. well-developed soil found in alluvial terraces in the Phils.
  11. 25. condition where the presence of oxygen is necessary
  12. 26. inherent capacity of plants
  13. 27. condition where oxygen is not necessary
  14. 29. positively charged soil nutrients
  15. 30. a by-product of photosynthesis
Down
  1. 1. the deficiency can be found in older leaves
  2. 3. external factors that help plant growth
  3. 4. visual symptoms of these are found in the younger leaves
  4. 5. provides the energy needed for nutrients to move
  5. 8. living component of soil that helps in plant growth and production
  6. 9. electrical charge of soil micelle
  7. 11. Created the equation for nutrient movement from higher to lower gradient of concentration
  8. 13. Matter natural substance added to soil to improve structure
  9. 15. the destruction of soil rendering it unproductive
  10. 16. the movement from higher concentration to lower concentration
  11. 19. a by-product of photosynthesis
  12. 22. a condition of soil the limits nutrient availability
  13. 23. nutrient uptake that takes effort
  14. 24. negatively charged soil nutrients
  15. 28. water is necessary for nutrient uptake to take place