Ch 12 Soil and Agriculture Vocabulary

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Across
  1. 3. a chemical used to kill organisms that attack or compete with plants that humans value
  2. 7. manipulation of an organism’s DNA
  3. 8. raising aquatic organisms for food in a controlled environment
  4. 9. a shortage of essential nutrients
  5. 11. a loss of more than 10% in the productivity of soil due to erosion, deforestation, overgrazing, drought, etc
  6. 16. guarantee of adequate and reliable food supply for all people at all times
  7. 17. organism whose genetic material has been altered
  8. 18. an insect or other animal that transfers pollen from one plant to another
Down
  1. 1. use of genetic engineering to increase product value
  2. 2. the buildup of salts in the surface layers of soil
  3. 4. physical & chemical processes that break down rocks & minerals into smaller particles
  4. 5. land suitable for farming
  5. 6. using a source other than precipitation to water crops
  6. 10. the amount of crop produced in a given area
  7. 12. mixture of disintegrated rock, organic matter, water, gases, nutrients, and microorganisms that supports plant growth
  8. 13. allowing animals to eat so much of the plant cover in a field or pasture that the plants cannot regrow
  9. 14. base geological material in a location
  10. 15. mass of solid rock comprising Earth’s crust