manure

Recently, that helped them catch a suspected nighthawker hiding behind a pile of manure after his footprints on the fresh dung heap shone up on thermal imaging.

The dust particles are made up of agricultural chemicals from miles of lettuce and spinach fields, manure from livestock operations, diesel exhaust, unpaved roads and fine debris from lithium mining.

To keep the soil productive the fields are rested over the summer, and fertilised with cow manure.

At Coleraine Magistrates' Court on Monday, a detective sergeant said officers found Mr Adams in the town centre at about 02:45 BST on Saturday, wearing a balaclava and holding two empty jugs of manure.

Also, their manure, known as frass, can be used as fertiliser.