Soils revision

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Across
  1. 3. Measure of alkalinity or acidity
  2. 4. A document that provides minimum requirements to suppliers, manufacturers and governments
  3. 5. The movement of water in and out of a soil profile
  4. 8. Helps conserve soil water and can add organic matter
  5. 10. This chart describes the many colours of soils
  6. 14. Any living or dead plant or animal material in the soil
  7. 15. Soil mineral with a sticky, "plasticy" feel
Down
  1. 1. The characteristic of some soils to repel water
  2. 2. The topsoil layer of a soil profile
  3. 6. The size, amount and proportion of particles in soil
  4. 7. This test measures the presence of salt in the soil
  5. 9. Soil mineral with a "spongey" feel
  6. 11. Soil mineral with large particle size and a "gritty" feel
  7. 12. Raises pH and adds calcium
  8. 13. The arrangement of sand, silt, loam and clay in the soil