POWER OF ATTORNEY


KNOW ALL PERSONS BY THESE PRESENTS, that I, Anne H. Lloyd hereby constitute and
appoint John W. Huey and Debra J. Bliven, and each of them, my true and lawful
attorneys-in-fact and agents, with full power of substitution and resubstitution
for me and in my name, place and stead, to sign any reports on Form 3 (Initial
Statement of Beneficial Ownership of Securities), Form 4 (Statement of Changes
in Beneficial Ownership of Securities) and Form 5 (Annual Statement of
Beneficial Ownership of Securities) relating to transactions by me in Senior
Preference Units or other securities of Terra Nitrogen Company, L.P., and all
amendments thereto, and to file the same, with the Securities and Exchange
Commission and the appropriate securities exchange, granting unto said
attorneys-in-fact and agents, and each of them, or their substitutes, full power
and authority to do and perform each and every act and thing requisite or
necessary to be done in and about the premises, as fully to all intents and
purposes as I might or could do in person, hereby ratifying and confirming all
that said attorneys-in-fact and agents, and each of them, or their substitutes,
may lawfully do or cause to be done by virtue hereof.  This Power of Attorney
shall be effective until such time as I deliver a written revocation thereof to
the above-named attorneys-in-fact and agents.


Dated:  May 5, 2009     	/c/Anne H. Lloyd
		                Anne H. Lloyd