E7 Soil

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Across
  1. 3. killing mushrooms
  2. 4. makes amino acids, which makes proteins
  3. 5. a threat to crop security
  4. 8. smells like manure
  5. 11. decreased soil quality to ruin crop yields
  6. 12. accumulation of water solvable ions or salts in soil to facilitate crop growth
  7. 13. Organic matter in insoluble water containing carbon and nitrogen
  8. 14. contains phenolic acid and carboxylic acid that are present in soil organic matter
Down
  1. 1. man-made chemicals, killing insect pests
  2. 2. silica, silicates, and aluminosilicates.
  3. 5. collect together due to presence of organic matter
  4. 6. includes PCBs and TphT
  5. 7. nitrogen and phosphorous are released and taken up by the roots of plants
  6. 9. spray on weeds
  7. 10. a dead animal decomposing on the ground