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): March 13, 2003

                                MONSANTO COMPANY
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               (Exact Name of Registrant as Specified in Charter)

         Delaware                      001-16167                 43-1878297
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(State or Other Jurisdiction   (Commission File Number)   (IRS Employer
     of Incorporation)                                      Identification No.)

                          800 North Lindbergh Boulevard
                            St. Louis, Missouri 63167
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               (Address of Principal Executive Offices) (Zip Code)

       Registrant's telephone number, including area code: (314) 694-1000




ITEM 7. FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

(c)  Exhibits

     99.1     Certification Pursuant to 18 U.S.C. Section 1350, as Adopted
              Pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002,
              executed by the Chief Executive Officer of Monsanto Company

     99.2     Certification Pursuant to 18 U.S.C. Section 1350, as Adopted
              Pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002,
              executed by the Chief Financial Officer of Monsanto Company

ITEM 9.  REGULATION FD DISCLOSURE

     On March 13, 2003,  Monsanto  Company filed its Annual Report on Form 10-K
for the  period  ended  December  31,  2002  with the  Securities  and  Exchange
Commission  ("SEC").  In  connection  with the filing of the Form 10-K, on March
13, 2003, Frank V. AtLee III,  Chairman of the Board,  Chief Executive  Officer
and  President  of  Monsanto  Company,  and  Terrell K.  Crews,  Executive  Vice
President  and Chief  Financial  Officer  of  Monsanto  Company,  each  signed a
Certification pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section
906 of the Sarbanes-Oxley Act of 2002 (collectively, the "Certifications").  The
Certifications  were  submitted to the SEC on March 13, 2003, as required by 18
U.S.C.  Section  1350,  as adopted by Section 906 of the  Sarbanes-Oxley  Act of
2002. A copy of each of the Certifications is attached as Exhibits 99.1 and 99.2
hereto.

     We are furnishing the information  contained in this report,  including the
Certifications, pursuant to 18 U.S.C. Section 1350, as adopted by Section 906 of
the  Sarbanes-Oxley  Act of 2002. This  information and the  Certifications  are
furnished  pursuant  to Item 9 of Form 8-K and shall not be deemed to be "filed"
for  the  purposes  of  Section  18 of the  Securities  Exchange  Act of 1934 or
otherwise  subject to the  liabilities of that section,  unless we  specifically
incorporate it by reference in a document filed under the Securities Act of 1933
or the Securities Exchange Act of 1934.

                                    SIGNATURE

     Pursuant to the  requirements  of the Securities  Exchange Act of 1934, the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

Dated:  March 13, 2003
                                MONSANTO COMPANY



                                By:      /s/ Michael L. DeCamp
                                   ----------------------------------------
                                   Name:  Michael L. DeCamp
                                          Assistant Secretary





                                  EXHIBIT INDEX


Exhibit
Number            Description

99.1           Certification  Pursuant to 18 U.S.C.  Section 1350, as Adopted
               Pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002,
               executed by the Chief Executive Officer of Monsanto Company

99.2           Certification  Pursuant to 18 U.S.C.  Section 1350, as Adopted
               Pursuant to Section 906 of the  Sarbanes-Oxley  Act of 2002,
               executed by the Chief Financial Officer of Monsanto Company