EXHIBIT 32



                           CERTIFICATION PURSUANT TO
            EXCHANGE ACT RULE 13(a)-14(b) AND 18 U.S.C. SECTION 1350


         In connection with the report of Monsanto Company (the "Company") on
Form 10-Q for the period ended May 31, 2006, as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), and pursuant to Exchange
Act Rule 13(a)-14(b) and 18 U.S.C. Section 1350, each of the undersigned
officers of the Company does hereby certify that, to the best of such officer's
knowledge:


     (1)  The Report fully  complies with the  requirements  of Section 13(a) or
          15(d) of the Securities Exchange Act of 1934; 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/ Hugh Grant
                                    --------------------------------------------
                                    Hugh Grant
                                    President and Chief Executive Officer



                                           /s/ Terrell K. Crews
                                    --------------------------------------------
                                    Terrell K. Crews
                                    Executive Vice President and Chief Financial
                                      Officer


June 30, 2006