SOIL NUTRIENT INTRO

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Across
  1. 1. Soil-living microbes that turn nitrogen gas into food for plants
  2. 4. Element that plants need to survive represented by the symbol K in NPK fertiliser
  3. 8. A compound of nitrogen that plants like a little of
  4. 10. Gardeners add this sediment to clay soil to make it more loamy
  5. 11. An animal that lives in the soil and helps to recycle nutrients
  6. 12. Plants need lots of this element, but they can get it easily from the air
  7. 14. Animal poo used for fertilising soil
  8. 15. Plants use nitrogenous compounds to make these protein forming compounds (5,5)
Down
  1. 2. Decayed organic material used as a plant fertiliser - gardeners often keep a pile of this
  2. 3. A compound of nitrogen that plants love
  3. 5. Without enough nitrogen a plants growth will be this
  4. 6. Plants need lots of this element which they can obtain by splitting water
  5. 7. To break down into smaller molecules
  6. 9. Without this micronutrient, plants leaves will be yellowed
  7. 13. Plants cannot get this element from the air