Does anybody know what the words Bleachcream (or bleachgreen) and bleachfield mean?

The first is from the song Roger O'Hehir on Planxty's album The Woman I Loved so Well, found in the DT database. I hear bleachgreen but the database has Bleachcream. It refers to a place Roger was trying to rob.

The second is from a song called "Jock McGraw" or "The Stoutest Man in the Forty Twa." The version on the DT database has a different line, but the version I heard has the captain turning to the sergeant after Jock enlists and saying "why you scamp, you've listed the bleachfield--out and tramp." Apparently it's some large inanimate object (a field?).