As Filed with the Securities and Exchange Commission on December 6, 2005


                                  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): December 6, 2005
                                                  (December 5, 2005)

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

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

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

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

                                 Not Applicable
          (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 obligations under any of the following
provisions (see General Instruction A.2. below):

[    ] Written communications  pursuant to Rule 425 under the Securities Act (17
CFR 230.425)

[    ]  Soliciting  material  pursuant to Rule 14a-12 under the Exchange Act (17
CFR 240.14a-12)

[    ]  Pre-commencement  communications  pursuant  to Rule  14d-2(b)  under the
Exchange Act (17 CFR 240.14d.-2(b))

[    ]  Pre-commencement  communications  pursuant  to Rule  13a-4(c)  under the
Exchange Act (17 CFR 240.13e-4(c))





ITEM 2.02.  RESULTS OF OPERATIONS AND FINANCIAL CONDITION.

         On December 5, 2005, Monsanto Company issued a press release announcing
it is increasing estimates for the Company's first quarter earnings per share
guidance. This press release is furnished as Exhibit 99, and incorporated herein
by reference.

         We are furnishing the information contained in this report, including
the Exhibit, pursuant to "Item 2.02 Results of Operations and Financial
Condition" of Form 8-K promulgated by the Securities and Exchange Commission
("SEC"). This information shall not be deemed to be "filed" for the purposes of
Section 18 of the Securities Exchange Act of 1934 ("Exchange Act") 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
Exchange Act. By filing this report on Form 8-K and furnishing this information,
we make no admission as to the materiality of any information in this report,
including the Exhibit.

ITEM 9.01.        FINANCIAL STATEMENTS AND EXHIBITS.

(c)Exhibits

   The following exhibit is filed herewith:

   Exhibit 99  Press Release, dated December 5, 2005, issued by Monsanto Company

                     --------------------------------------

                                    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:  December 6, 2005


                                MONSANTO COMPANY


                                By:      /s/ Jennifer L. Woods
                                    --------------------------------------------
                                    Name:  Jennifer L. Woods
                                    Title: Assistant Secretary





                                  EXHIBIT INDEX


Exhibit No.   Description of Exhibit
----------    ----------------------

Exhibit 99    Press Release, dated December 5, 2005, issued by Monsanto Company