SCHEDULE 3Calculating nitrogen in organic manure
PART 2Sampling and analysis of organic manure
Slurry and other liquid and semi-liquid organic manureI11
1
In relation to slurry and other liquid and semi-liquid organic manure, at least five samples, each of 2 litres, must be taken.
2
Subject to sub-paragraph (3), the five samples must be taken from a vessel, and—
a
if reasonably practicable, the slurry must be thoroughly mixed before the samples are taken, and
b
each sample must be taken from a different location.
3
If a tanker used for spreading is fitted with a suitable valve, the samples may be taken while spreading, and each sample must be taken at intervals during the spreading.
4
Whether taken as described in sub-paragraph (2) or (3), the five samples must be poured into a larger container, stirred thoroughly and a 2 litre sample must be taken from that container and poured into a smaller clean container.
5
The 2 litre sample produced in accordance with sub-paragraph (4) must then be sent for analysis.