Regulations 3(2) and 13(2)
SCHEDULE 3N.I.Criteria as to nutrient management for phosphorus
Table 1
Phosphorus (as orthophosphate (P2O5)) limits for grassland on soils of different soil phosphorus index
1 The amount of phosphate applied for establishment shall be deducted from the first season's grazing, silage or hay crop requirement for phosphorus. | ||||||
Soil phosphorus index | ||||||
---|---|---|---|---|---|---|
0 | 1 | 2- | 2+ | 3 | 4 | |
Phosphorus recommendation (kg P2O5 ha-1) | ||||||
At grass establishment | 120 | 80 | 65 | 50 | 30 | 0 |
Grazing1 | 80 | 50 | 35 | 20 | 0 | 0 |
Silage cut1 | ||||||
1st | 100 | 70 | 55 | 40 | 20 | 0 |
2nd | 25 | 25 | 25 | 25 | 0 | 0 |
3rd | 15 | 15 | 15 | 15 | 0 | 0 |
4th | 10 | 10 | 10 | 10 | 0 | 0 |
Hay1 | 80 | 55 | 43 | 30 | 0 | 0 |
Table 2a
Maximum phosphate fertiliser application limits (kg P2O5 per hectare) for extensively managed grassland (under 60 kg chemical N/ha/year or under 120kg manure N/ha/year loading).
1 Subject to Table 2b. | ||||||
Soil phosphorus index | ||||||
---|---|---|---|---|---|---|
0 | 1 | 2- | 2+ | 3 | 4 | |
At grass establishment | 80 | 65 | 50 | 30 | 0 | 0 |
Grazed grass (whole season) | 50 | 35 | 20 | 0 | 0 | 0 |
First cut silage1 | 70 | 55 | 40 | 0 | 0 | 0 |
Hay1 | 55 | 43 | 30 | 0 | 0 | 0 |
Table 2b
If silage or hay crops receive [F1over] 80 kg chemical fertiliser N/ha/year, the following maximum phosphate fertiliser application limits apply.
Soil phosphorus index | ||||||
---|---|---|---|---|---|---|
0 | 1 | 2- | 2+ | 3 | 4 | |
First cut silage | 100 | 70 | 55 | 40 | 0 | 0 |
Hay | 80 | 55 | 43 | 30 | 0 | 0 |
Textual Amendments
F1Word in Sch. 3 Table 2b heading substituted (15.10.2019) by The Nutrient Action Programme (Amendment) Regulations (Northern Ireland) 2019 (S.R. 2019/183), regs. 1, 18(a)
Table 3
Available phosphate (P2O5) values for fertilisers
1 For potatoes and vegetable crops, these availabilities should be used regardless of soil phosphorus index. | |||
2 [F250% of phosphate availability assumed at soil phosphorus index of 0 or 1 and for potatoes and vegetables.] | |||
3 [F2Figures in bold are most common values.] | |||
4 60% phosphate availability assumed at soil phosphorus index of 0 or 1 and for potatoes and vegetables. | |||
Liquid or slurry manure types | Dry matter content (%) | Soil phosphorus index of 0 or 1, available phosphorus (kg P2O5/m3)1 | Soil phosphorus index of 2- or greater, available phosphorus (kg P2O5/m3) |
---|---|---|---|
Liquids2 | |||
Dirty water | 0.5 | 0.05 | 0.10 |
Cattle slurries2 | |||
Cattle slurry3 | 2 | 0.3 | 0.6 |
6 | 0.6 | 1.2 | |
10 | 0.9 | 1.8 | |
Separated cattle slurries (liquid portion)2 | |||
Strainer box | 1.5 | 0.15 | 0.3 |
Weeping wall | 3 | 0.25 | 0.5 |
Mechanical separator | 4 | 0.6 | 1.2 |
[F2Pig slurries2 | |||
Pig slurry3 | 2 | 0.4 | 0.8 |
4 | 0.75 | 1.5 | |
6 | 1.1 | 2.2 | |
Separated pig slurry (liquid portion) | 3 | 0.55 | 1.1] |
Solid manure types | Dry matter content (%) | Soil phosphorus index of 0 or 1, available phosphate (kg P2O5/t) | Soil phosphorus of 2- or greater, available phosphate (kg P2O5/t) |
Poultry manures4 | |||
Broiler litter | 66 | 9.6 | 16 |
Layer manure | 30 | 7.8 | 13 |
Turkey litter | 60 | 15 | 25 |
Duck manure | 25 | 3.3 | 5.5 |
Farmyard manures4 | |||
Cattle manures | 25 | 1.9 | 3.2 |
Sheep manures | 25 | 1.9 | 3.2 |
Goat manure | 25 | 1.7 | 2.8 |
Pig manure | 25 | 3.6 | 6.0 |
Horse manure | 30 | 3.0 | 5.0 |
Miscellaneous manures2 | |||
Spent mushroom compost | 35 | 1.7 | 3.4 |
Separated cattle slurry (solid portion) | 20 | 1.0 | 2.0 |
Separated pig slurry (solid portion) | 20 | 2.3 | 4.6 |
Other organic manures | Dry matter content and total phosphorus content to be declared in accordance with the Waste Management Licencing Regulations (Northern Ireland) 2003 M1. 60% phosphate availability assumed at soil phosphorus index or 0 or 11, 100% phosphate availability assumed at soil phosphorus index greater than 1. [F3For anaerobic digestate the record of nutrient content analysis as required by regulation 12(1) shall be used.] | ||
Chemical fertilisers | Dry matter content and total phosphorus content as certified by the producer. Phosphate availability assumed to be 100% for all soil phosphate indices. |
Textual Amendments
F2Words in Sch. 3 substituted (15.10.2019) by The Nutrient Action Programme (Amendment) Regulations (Northern Ireland) 2019 (S.R. 2019/183), regs. 1, 18(b)(i)
F3Words in Sch. 3 inserted (15.10.2019) by The Nutrient Action Programme (Amendment) Regulations (Northern Ireland) 2019 (S.R. 2019/183), regs. 1, 18(b)(ii)
Marginal Citations
M1S.R. 2003 No. 493