17.—(1) The occupier must establish the total amount of nitrogen in livestock manure, for the purposes of regulation 16, by—
(a)using the table in Part 1 of Schedule 3; or
(b)sampling and analysis in accordance with Part 2 of Schedule 3.
(2) Once the total amount of nitrogen in the livestock manure has been determined, the following percentages are assumed in order to establish the amount of nitrogen in the livestock manure that is available for crop uptake in the growing season in which it is spread;
| Type of livestock manure | Amount of nitrogen available for crop uptake in the growing season in which it is spread | |
|---|---|---|
| Until 31 December 2013 | From 1 January 2014 | |
| Cattle slurry | 35% | 40% |
| Pig slurry | 45% | 50% |
| Poultry manure | 30% | 30% |
| Other livestock manure | 10% | 10% |
(3) In relation to all other organic manure, the occupier must establish the total amount of nitrogen available for crop uptake in the growing season in which it is spread, for the purposes of regulation 16—
(a)by reference to technical analyses provided by the supplier;
(b)to the extent that such information is unavailable, by reference to the values given in the Fertiliser Manual (RB 209) (8th Edition)(1) (referred to therein as “nitrogen available to the next crop”); or
(c)by sampling and analysis in accordance with Part 2 of Schedule 3.
The Fertiliser Manual (RB209), 8th edition, is published by TSO, June 2010, ISBN 978-0-11-243286-9.