Soils recap to date

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Across
  1. 3. layer of the soil profile
  2. 5. main food source in a country
  3. 8. poor nutrition
  4. 9. abbreviation for the 3 main nutrients required by plants
Down
  1. 1. largest particles in soil
  2. 2. type of farming with maximum yield per hectare
  3. 4. crops grown for own consumption
  4. 6. raising animals
  5. 7. smallest particles in soil