Across
- 3. Soil organic matter
- 4. Essential macronutrient, 7th element
- 7. Placing pollution-absorbing plants in affected areas
- 10. A distinct and visible layer of the soil
- 12. The breeding of two different species to form a new one.
- 15. Transgenic ______ act as a built-in insecticide
- 16. Produced from biomass of plants or other living organisms
- 20. Used to move genes into plants
- 21. Occurs when too much of a nutrient has been absorbed by the plant
Down
- 1. Produced in the nitrogen cycle, must be converted to other forms before use
- 2. _____ farming is said to solve many of the problems of modern farming.
- 5. Symbiotic relationship between fungi and plant roots
- 6. Made from the fermentation of plant sugars
- 8. Essential nutrients needed in large quantities
- 9. Referred to as the best soil type for growth
- 11. Essential ratio provided on every pack of fertiliser
- 13. Soil and rock being disrupted from the Earth's surface via exogenic processes
- 14. A pathogen that exists in tropical soils can causes flu-like symptoms in humans
- 17. Loss of minerals through the use of inorganic fertilisers
- 18. An organism that has had artificial DNA introduced
- 19. Converts ammonia into useable nitrogen
- 22. Common use for micronutrients in the cell
- 23. Soil with the highest concentration of organic matter and nutrients