Comparison of the efficiencies of urea, protected urea and ammonium nitrate fertilizers in cereal production under Scottish conditions

Agricultural and Biological Sciences

1. Nitrate Fertiliser 100%
2. Ammonium Nitrate 100%
3. Urea 100%
4. Spring Barley 23%
5. Urease 17%
6. Grains 11%
7. UK 11%
8. Alkaline Soils 5%
9. Malting Barley 5%
10. Application Timing 5%
11. Nitrification 5%
12. Growers 5%
13. Common Wheat 5%
14. Split Application 5%
15. Fertilizer Application 5%
16. Controlled-Release Fertiliser 5%
17. Soil Organic Matter 5%
18. Greenhouse Gas 5%
19. Enzymes 5%
20. Grain Yield 5%