Across
- 2. best time to apply P and K on silage fields
- 4. needed with nitrogen after every silage cut
- 5. this is taken into account when nutrient requirements
- 6. two nutrients that are recycled by cattle and sheep
- 7. a fertiliser with 46% nitrogen
- 8. mainly found in dung not urine
Down
- 1. nitrogen fertiliser, best choice on a hot day
- 3. high risk if potash is applied to grass in the spring