Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
BURSON CHARLES W
  2. Issuer Name and Ticker or Trading Symbol
MONSANTO CO /NEW/ [MON]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP, Secy & Gen. Counsel
(Last)
(First)
(Middle)
800 N. LINDBERGH BLVD.
3. Date of Earliest Transaction (Month/Day/Year)
04/10/2006
(Street)

ST. LOUIS, MO 63167
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 12/20/2005   G V 1,000 D $ 0 35,521 D  
Common Stock 04/10/2006   F   649 (1) D $ 86.385 34,872 D  
Common Stock 04/11/2006   M   75,000 A $ 16.145 109,872 D  
Common Stock 04/11/2006   M   15,000 A $ 32.385 124,872 D  
Common Stock 04/11/2006   S   9,630 D $ 82.3 115,242 D  
Common Stock 04/11/2006   S   5,800 D $ 82.31 109,442 D  
Common Stock 04/11/2006   S   1,800 D $ 82.32 107,642 D  
Common Stock 04/11/2006   S   600 D $ 82.33 107,042 D  
Common Stock 04/11/2006   S   100 D $ 82.46 106,942 D  
Common Stock 04/11/2006   S   2,500 D $ 82.47 104,442 D  
Common Stock 04/11/2006   S   1,200 D $ 82.48 103,242 D  
Common Stock 04/11/2006   S   200 D $ 82.49 103,042 D  
Common Stock 04/11/2006   S   400 D $ 82.5 102,642 D  
Common Stock 04/11/2006   S   2,700 D $ 82.51 99,942 D  
Common Stock 04/11/2006   S   500 D $ 82.52 99,442 D  
Common Stock 04/11/2006   S   300 D $ 82.53 99,142 D  
Common Stock 04/11/2006   S   1,900 D $ 82.54 97,242 D  
Common Stock 04/11/2006   S   1,400 D $ 82.55 95,842 D  
Common Stock 04/11/2006   S   300 D $ 82.56 95,542 D  
Common Stock 04/11/2006   S   900 D $ 82.57 94,642 D  
Common Stock 04/11/2006   S   100 D $ 82.58 94,542 D  
Common Stock 04/11/2006   S   200 D $ 82.59 94,342 D  
Common Stock 04/11/2006   S   700 D $ 82.6 93,642 D  
Common Stock 04/11/2006   S   2,900 D $ 82.61 90,742 D  
Common Stock 04/11/2006   S   1,100 D $ 82.62 89,642 D  
Common Stock 04/11/2006   S   500 D $ 82.63 89,142 D  
Common Stock 04/11/2006   S   100 D $ 82.64 89,042 D  
Common Stock 04/11/2006   S   700 D $ 82.65 88,342 D  
Common Stock 04/11/2006   S   800 D $ 82.66 87,542 D  
Common Stock 04/11/2006   S   200 D $ 82.67 87,342 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option (Right to Buy) $ 16.145 04/11/2006   M     75,000 04/25/2004(2) 04/24/2013 Common Stock 75,000 $ 0 0 D  
Option (Right to Buy) $ 32.385 04/11/2006   M     15,000 03/15/2005(3) 02/26/2014 Common Stock 15,000 $ 0 10,490 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
BURSON CHARLES W
800 N. LINDBERGH BLVD.
ST. LOUIS, MO 63167
      EVP, Secy & Gen. Counsel  

Signatures

 Christopher A. Martin, Attorney-in-Fact   04/12/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) On April 10, 2006, 2,000 restricted shares became fully vested for which taxes became due and payable. 649 shares were used for the payment of these taxes.
(2) One-third of the options became exercisable on April 25, 2004, one-third of the options became exercisable on March 15, 2005 and one-third of the options became exercisable on March 15, 2006, subject to the terms of the Monsanto Company Long Term Incentive Plan.
(3) One-third of the options became exercisable on March 15, 2005, one-third of the options became exercisable on March 15, 2006 and one-third of the options become exercisable on March 15, 2007, subject to the terms and conditions of the Monsanto Company Long Term Incentive Plan.
 
Remarks:
The Reporting Person had multiple transactions on April 11, 2006.  Due to a limitation on the number of transactions that can be electronically filed on Form 4, the Reporting Person is reporting these transactions on four separate Form 4s.  This Form 4 is 1 of 4.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.