POWER OF ATTORNEY

       The  undersigned  hereby constitutes and appoints each of Cornel Fuerer,

Dana Eddis and Abigail Jarrell, or either of them acting singly and with full
power of
substitution, as the undersigned's true and lawful attorney-in-fact to:

       (1)    execute   for and on behalf of the undersigned, in the
undersigned's
              capacity as an officer and/or director of Corteva, Inc. (the
"Company"),
              Forms 3, 4, and 5 (and any amendments thereto) in accordance with
              Section 16(a) of the Securities Exchange Act of 1934, as amended
              the "Exchange Act"), and the rules thereunder;

       (2)    do  and  perform  any  and  all  acts  for  and  on  behalf of the
              undersigned  that  may  be  necessary or desirable to complete and
              execute  any  such  Form  3,  4,  or  5,  complete and execute any
              amendments  thereto, and timely file such form with the U.S.
Securities
              and Exchange Commission (the "SEC") and any securities exchange or

              similar authority, including without limitation the execution and
              filing of a Form ID or any other documents necessary or
appropriate
              to obtain codes and passwords to enable the undersigned to file
the
              Forms 3, 4 and 5 electronically with the SEC; and

       (3)    take  any  other  action in connection with the foregoing that, in
              the opinion of such attorney-in-fact, may be of benefit to, in the

              best interest of, or legally required by or for, the undersigned,
              it being understood that the documents executed by such attorney-
              in-fact on behalf of the undersigned pursuant to this power of
              attorney shall be in such form and shall contain such information
              and disclosure as such attorney-in-fact may approve in such
attorney-
              in-fact's discretion.

       The  undersigned  hereby  grants  to such attorney-in-fact full power and
 authority  to  do and perform any and every act and thing whatsoever required,
 necessary, or proper to be done in the exercise of any of the rights and powers
 herein  granted,  as fully to all intents and purposes as the undersigned might
 or  could  do  if  personally  present,  with  full  power  of  substitution or
 revocation,  hereby ratifying and confirming all that such attorney-in-fact, or
 such  attorney-in-fact's  substitute or substitutes, shall lawfully do or cause
 to be done by virtue of this power of attorney and the rights and powers herein
 granted.  The undersigned acknowledges that the foregoing attorneys-in-fact, in
 serving  in  such capacity at the request and on behalf of the undersigned, are

 not assuming, nor  is  the  Company  assuming,  any  of the undersigned's
 responsibilities to comply with any provision of Section 16 of the Exchange
Act.

       This  Power  of  Attorney shall remain in full force and effect until the
 undersigned is no longer required to file Forms 3, 4, or 5 with respect to the
 undersigned's holdings of and transactions in securities issued by the Company,
 unless  earlier revoked by the undersigned in a signed writing delivered to
each
 of the foregoing attorneys-in-fact.

       IN  WITNESS WHEREOF, the undersigned has executed this Power of Attorney
as
 of this 27th day of February, 2020.

Signed and acknowledged:

   /s/ Nayaki Nayyar
--------------------------------------
   Nayaki Nayyar