Centerspace (CSR) 10-K 2008 FY Annual report

Exhibit 32.2

The following certification is furnished as provided by Rule 13a-14(b) promulgated under the Securities Act of 1934 and Item 601(b) (32) (ii) of Regulation S-K.

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Investors Real Estate Trust (the “Company”) on Form 10-K for the year ended April 30, 2008, as filed with the Securities and Exchange Commission on July 14, 2008, (the “Report”), I Diane K. Bryantt, Senior Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ Diane K. Bryantt

Diane K. Bryantt

Senior Vice President and Chief Financial Officer

July 14, 2008

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.