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<P align="center" style="font-size: 14pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION<BR>
<FONT style="font-size: 12pt">Washington, D.C. 20549
</FONT></B>

<P align="center" style="font-size: 18pt"><B>FORM 8-K</B>

<P align="center" style="font-size: 12pt"><B>CURRENT REPORT<BR>
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</B>

<P align="center" style="font-size: 10pt"><B>Date of Report (Date of earliest event reported): April 4, 2009</B>

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<P align="center" style="font-size: 24pt"><B>TERRA NITROGEN COMPANY, L.P.<BR></B>
<FONT style="font-size: 10pt">(Exact name of registrant as specified in its charter)
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    <TD style="border-bottom: 1px solid #000000"><B>Delaware</B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>0330-43007</B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>73-1389684</B></TD>
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    <TD>(State or other Jurisdiction of Incorporation)</TD>
    <TD>&nbsp;</TD>
    <TD>(Commission File Number)</TD>
    <TD>&nbsp;</TD>
    <TD>(IRS Employer Identification No.)</TD>
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    <TD style="border-bottom: 1px solid #000000"><B>Terra Centre<BR>600 Fourth Street, P.O. Box 6000<BR>Sioux City, Iowa<BR></B></TD>
    <TD>&nbsp;</TD>
    <TD style="border-bottom: 1px solid #000000"><B>51102-6000</B></TD>
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    <TD>(Address of Principal Executive Offices)</TD>
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    <TD>(Zip Code)</TD>
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<P align="center" style="font-size: 10pt">Registrant&#146;s telephone number, including area code: <B>(712) 277-1340</B>


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    <TD nowrap>(Former name or former address if changed since last report.)</TD>
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<P align="left" style="font-size: 10pt">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant
under any of the following provisions:

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<FONT face="Wingdings">&#111;</FONT> Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))<BR><BR>
<FONT face="Wingdings">&#111;</FONT> Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))<BR>


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<P align="center" style="font-size: 10pt; display: none">1
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    <TD width="3%" nowrap align="left"><B>ITEM 5.02</B></TD>
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    <TD><DIV style="text-align: justify"><B>DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF CERTAIN
OFFICERS; COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS</B></DIV></TD>
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<P align="justify" style="font-size: 10pt; text-indent: 8%">(b)&nbsp;By letter dated April&nbsp;3, 2009, Francis G. Meyer provided written notice of his intent to retire and resign as
a Director of Terra Nitrogen GP Inc. (&#147;TNGP&#148;), the General Partner of Terra Nitrogen Company, L.P. (the &#147;Company&#148;)
effective April&nbsp;4, 2009.


<P align="center" style="font-size: 10pt"><B>SIGNATURES</B>



<P align="justify" style="font-size: 10pt; text-indent: 4%">Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused
this report to be signed on its behalf by the undersigned, thereunto duly authorized.


<P align="justify" style="font-size: 10pt; margin-left: 45%; font-size: 10pt">TERRA NITROGEN COMPANY, L.P.
<BR>
By: Terra Nitrogen GP Inc.
<BR>
Its: General Partner


<P align="justify" style="font-size: 10pt; margin-left: 45%; font-size: 10pt"><U><B>/</B>s/ John W. Huey&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
<BR>
<I>John W. Huey</I>
<BR>
<I>Vice President, General Counsel and</I>
<BR>
<I>Corporate Secretary</I>


<P align="justify" style="font-size: 10pt">Date: April&nbsp;8, 2009


<P align="center" style="font-size: 10pt">&nbsp;

<P align="center" style="font-size: 10pt; display: none">2




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{"company-data": {"conformed-name": "TERRA NITROGEN CO L P /DE", "cik": "0000879575", "assigned-sic": "2870", "irs-number": "731389684", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "033-43007", "film-number": "09739878"}, "business-address": {"street1": "TERRA CENTRE 600 FOURTH STREET", "street2": "PO BOX 6000", "city": "SIOUX CITY", "state": "IA", "zip": "51102-6000", "phone": "7122771340"}, "mail-address": {"street1": "TERRA CENTER 600 FOURTH STREET", "street2": "PO BOX 6000", "city": "SIOUX CITY", "state": "IA", "zip": "51102-6000"}}
Form 8-K
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported): April 4, 2009
TERRA NITROGEN COMPANY, L.P.
(Exact name of registrant as specified in its charter)
Delaware
0330-43007
73-1389684
(State or other Jurisdiction of Incorporation)
(Commission File Number)
(IRS Employer Identification No.)
Terra Centre
600 Fourth Street, P.O. Box 6000
Sioux City, Iowa
51102-6000
(Address of Principal Executive Offices)
(Zip Code)
Registrant's telephone number, including area code:
(712) 277-1340
(Former name or former address if changed since last report.)
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant
under any of the following provisions:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
ITEM 5.02
DEPARTURE OF DIRECTORS OR CERTAIN OFFICERS; ELECTION OF DIRECTORS; APPOINTMENT OF CERTAIN
OFFICERS; COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS
(b) By letter dated April 3, 2009, Francis G. Meyer provided written notice of his intent to retire and resign as
a Director of Terra Nitrogen GP Inc. ("TNGP"), the General Partner of Terra Nitrogen Company, L.P. (the "Company")
effective April 4, 2009.
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the Registrant has duly caused
this report to be signed on its behalf by the undersigned, thereunto duly authorized.
TERRA NITROGEN COMPANY, L.P.
By: Terra Nitrogen GP Inc.
Its: General Partner
/
s/ John W. Huey
John W. Huey
Vice President, General Counsel and
Corporate Secretary
Date: April 8, 2009