SECURITIES AND EXCHANGE COMMISSION
                              WASHINGTON, DC 20549

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

                                 SCHEDULE 13D
                                (Rule 13d-101)

            INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
           TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO
                                 RULE 13d-2(a)

                                (Amendment No. 1)


                        Cullen Agricultural Holding Corp.
--------------------------------------------------------------------------------
                                (Name of Issuer)


                    Common Stock, par value $0.0001 per share
--------------------------------------------------------------------------------
                         (Title of Class of Securities)


                                    229894100
--------------------------------------------------------------------------------
                                 (CUSIP Number)



                                  Brian Taylor
                     c/o Pine River Capital Management L.P.
                               601 Carlson Parkway
                                    Suite 330
                              Minnetonka, MN 55305
--------------------------------------------------------------------------------
                 (Name, Address and Telephone Number of Person
               Authorized to Receive Notices and Communications)


                                April 1, 2011
--------------------------------------------------------------------------------
             (Date of Event which Requires Filing of This Statement)

     If the filing  person has  previously  filed a statement on Schedule 13G to
report the  acquisition  that is the subject of this Schedule 13D, and is filing
this  schedule  because  of Rule  13d-1(e),  13d-1(f)  or  13d-1(g),  check  the
following box [ ].




CUSIP No. 229894100
          ---------

1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

       Pine River Capital Management L.P.

2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                 (a)  [_]
                                                                 (b)  [x]


3.   SEC USE ONLY


4.   SOURCE OF FUNDS

     WC

5.   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)                                   [_]


6.   CITIZENSHIP OR PLACE OF ORGANIZATION

     Delaware, United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.   SOLE VOTING POWER

     0

8.   SHARED VOTING POWER

     11,096,895

9.   SOLE DISPOSITIVE POWER

     0

10.  SHARED DISPOSITIVE POWER

     11,096,895

11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     11,096,895

12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES


13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     36.1%

14.  TYPE OF REPORTING PERSON

     IA, PN




CUSIP No. 229894100
           --------

1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

        Nisswa Acquisition Master Fund Ltd.

2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                 (a)  [_]
                                                                 (b)  [X]
3.   SEC USE ONLY


4.   SOURCE OF FUNDS*

     WC

5.   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)                                   [_]

6.   CITIZENSHIP OR PLACE OF ORGANIZATION

     Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.   SOLE VOTING POWER

     0

8.   SHARED VOTING POWER

     1,685,624

9.   SOLE DISPOSITIVE POWER

     0

10.  SHARED DISPOSITIVE POWER

     1,685,624

11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     1,685,624

12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*

13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     7.9%

14.  TYPE OF REPORTING PERSON*

     CO



CUSIP No. 229894100
           --------

1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

        Nisswa Master Fund Ltd.

2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                 (a)  [_]
                                                                 (b)  [X]
3.   SEC USE ONLY


4.   SOURCE OF FUNDS*

     WC

5.   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)                                   [_]

6.   CITIZENSHIP OR PLACE OF ORGANIZATION

     Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.   SOLE VOTING POWER

     0

8.   SHARED VOTING POWER

     7,510,363

9.   SOLE DISPOSITIVE POWER

     0

10.  SHARED DISPOSITIVE POWER

     7,510,363

11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     7,510,363

12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*

13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     27.7%

14.  TYPE OF REPORTING PERSON*

     CO


CUSIP No. 229894100
           --------

1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

        Nisswa Fixed Income Master Fund Ltd.

2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*
                                                                 (a)  [_]
                                                                 (b)  [X]
3.   SEC USE ONLY


4.   SOURCE OF FUNDS*

     WC

5.   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)                                   [_]

6.   CITIZENSHIP OR PLACE OF ORGANIZATION

     Cayman Islands

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.   SOLE VOTING POWER

     0

8.   SHARED VOTING POWER

     1,818,742

9.   SOLE DISPOSITIVE POWER

     0

10.  SHARED DISPOSITIVE POWER

     1,818,742

11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     1,818,742

12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES*

13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     8.5%

14.  TYPE OF REPORTING PERSON*

     CO




CUSIP No. 229894100
           --------

1.   NAME OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)

        Brian Taylor

2.   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                 (a)  [_]
                                                                 (b)  [x]

3.   SEC USE ONLY


4.   SOURCE OF FUNDS

     WC

5.   CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED
     PURSUANT TO ITEMS 2(d) OR 2(e)                                   [_]


6.   CITIZENSHIP OR PLACE OF ORGANIZATION

     United States

NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON

7.   SOLE VOTING POWER

     0

8.   SHARED VOTING POWER

     11,096,895

9.   SOLE DISPOSITIVE POWER

     0

10.  SHARED DISPOSITIVE POWER

     11,096,895

11.  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     11,096,895

12.  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES CERTAIN SHARES



13.  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)

     36.1%

14.  TYPE OF REPORTING PERSON

     IN




CUSIP No. 229894100
          ---------

--------------------------------------------------------------------------------
Item 1.  Security and Issuer.

     The name of the issuer is Cullen  Agricultural  Holding  Corp., a Delaware
corporation  (the  "Issuer").  The address of the Issuer's principal
executive offices is 1431 N. Jones Plantation Road, Millen, Georgia 30442.

     This schedule relates to the Issuer's Common Stock,
$0.0001 par value (the "Shares").


--------------------------------------------------------------------------------
Item 2.  Identity and Background.

     (a-c, f) This Schedule 13D is being filed by Pine River Capital  Management
L.P.,  a  Delaware limited  partnership  (the  "Investment Manager"), Nisswa
Acquisition  Master Fund  Ltd., a Cayman Islands  exempted  company,
Nisswa Master Fund Ltd., a Cayman Islands exempted company, Nisswa Fixed
Income Master Fund Ltd., a Cayman Islands exempted company,
and Brian Taylor, the managing member of Pine River Capital Management LLC,
the general partner of the Investment Manager (the "Managing Member")
(each a "Reporting  Person" and collectively the "Reporting  Persons").

     The principal business address of the Investment Manager and the
Managing Member is located at 601  Carlson  Parkway,  Suite 330,
Minnetonka,  MN 55305, United States of America.

     (d) Brian Taylor has not, during the last five years, been convicted in a
criminal proceeding (excluding traffic violations or similar misdemeanors).

     (e) None of the Reporting  Persons have, during the last five years, been a
party to a civil  proceeding of a judicial or  administrative  body of competent
jurisdiction  and as a  result  of  such  proceeding  were or are  subject  to a
judgment,  decree or final order enjoining future  violations of, or prohibiting
or mandating  activities subject to, Federal or state securities laws or finding
any violation with respect to such laws.


--------------------------------------------------------------------------------
Item 3.  Source and Amount of Funds or Other Consideration.

     As of the date hereof,  Pine River Capital Management L.P. may be deemed to
beneficially own 11,096,895 Shares.

     As of the date hereof, Nisswa Acquisition Master Fund Ltd. may be deemed to
beneficially own 1,685,624 Shares.

     As of the date hereof, Nisswa Master Fund Ltd. may be deemed to
beneficially own 7,510,363 Shares.

     As of the date hereof,  Nisswa Fixed Income  Master Fund Ltd. may be deemed
to beneficially own 1,818,742 Shares.

     As of the date  hereof,  Brian  Taylor may be deemed to  beneficially  own
11,096,895 Shares.

     The Reporting  Persons are deemed to  beneficially  own the Shares  because
they own warrants convertible into the Shares of the Issuer at an exercise price
of $12.00 per share.

     No borrowed funds were used to purchase the warrants  convertible  into the
Shares,  other than any borrowed funds used for working capital  purposes in the
ordinary course of business.
--------------------------------------------------------------------------------
Item 4. Purpose of Transaction.

     On October 22,  2009,  there was an  Agreement  and Plan of  Reorganization
among Triplecrown  Acquisition  Corp.,  Cullen  Agricultural  Holding Corp., CAT
Merger  Sub,  Inc.,  Cullen  Agricultural  Technologies,  Inc.  and Cullen  Inc.
Holdings  Ltd.  As a result of the  merger,  there was a change in the number of
outstanding  shares of the Issuer.  In connection  with the merger,  the warrant
agreement  governing the warrants  held by the Reporting  Persons was amended so
that  (i) the  warrants  became  exercisable,  (ii)  the  exercise  price of the
warrants was increased from $7.50 to $12.00 per share, (iii) the expiration date
of the warrants was extended  from October 21, 2012 to October 21, 2013 and (iv)
the price at which the  stock  must  trade  for the  warrants  to be called  for
redemption was increased  from $13.75 to $17.00 per share.  Prior to the date of
the merger, the warrants were not exercisable.

     The  Reporting  Persons  have no plans or  proposals as of the date of this
filing  which,  other than as  expressly  set forth  below,  relate to, or would
result  in,  any of the  actions  enumerated  in Item 4 of the  instructions  to
Schedule 13D.

     The  Reporting  Persons  reserve the right to be in contact with members of
the  Issuer's   management,   the  members  of  the  Board, other significant
shareholders and others regarding  alternatives that the Issuer could employ to
increase shareholder value.

     The Reporting  Persons reserve the right to effect  transactions that would
change the number of shares they may be deemed to beneficially own.

     The Reporting  Persons further reserve the right to act in concert with any
other shareholders of the Issuer, or other persons,  for a common purpose should
it  determine to do so,  and/or to  recommend courses of action to the Issuer's
management, the Board, the Issuer's shareholders and others.

--------------------------------------------------------------------------------
Item 5.  Interest in Securities of the Issuer.

     (a, b) As of the date hereof,  Pine River  Capital  Management  L.P. may be
deemed to be the beneficial owner of 11,096,895 Shares,  or 36.1% of the Shares
of the Issuer,  based upon the 30,727,609* Shares  outstanding  according to the
Issuer's most recent Form 8-K.

     Pine River Capital Management L.P. has the sole power to vote or direct the
vote of 0 Shares  to which  this  filing  relates;  shares  the power to vote or
direct  the vote of the  11,096,895  Shares;  has the sole  power to  dispose or
direct the  disposition  of 0 Shares;  and shares the power to dispose or direct
the disposition of the 11,096,895 Shares to which this filing relates.

     Pine  River  Capital  Management  L.P.  specifically  disclaims  beneficial
ownership in the Shares  reported  herein  except to the extent of its pecuniary
interest therein.


     (a, b) As of the date hereof,  Nisswa  Acquisition  Master Fund Ltd. may be
deemed to be the beneficial owner of 1,685,624 Shares, or 7.9% of the Shares of
the Issuer,  based upon the  21,316,338*  Shares  outstanding  according  to the
Issuer's most recent Form 8-K.

     Nisswa  Acquisition  Master Fund Ltd.  has the sole power to vote or direct
the vote of 0 Shares to which this filing  relates;  shares the power to vote or
direct the vote of the 1,685,624 Shares; has the sole power to dispose or direct
the  disposition  of 0 Shares;  and  shares  the power to  dispose or direct the
disposition of the 1,685,624 Shares to which this filing relates.


     (a, b) As of the date hereof,  Nisswa Master Fund Ltd. may be
deemed to be the beneficial owner of 7,510,363 Shares, or 27.7% of the Shares
of the Issuer, based upon the 27,141,077* Shares  outstanding  according to the
Issuer's most recent Form 8-K.

     Nisswa  Master Fund Ltd. has the sole power to vote or direct
the vote of 0 Shares to which this filing  relates;  shares the power to vote or
direct the vote of the 7,510,363 Shares; has the sole power to dispose or direct
the  disposition  of 0 Shares; and  shares  the power to  dispose or direct the
disposition of the 7,510,363 Shares to which this filing relates.


     (a, b) As of the date hereof,  Nisswa Fixed Income  Master Fund Ltd. may be
deemed to be the beneficial owner of 1,818,742  Shares, or 8.5% of the Shares of
the Issuer,  based upon the  21,449,456*  Shares  outstanding  according  to the
Issuer's most recent Form 8-K.

     Nisswa Fixed  Income  Master Fund Ltd. has the sole power to vote or direct
the vote of 0 Shares to which this filing  relates;  shares the power to vote or
direct the vote of the 1,818,742 Shares; has the sole power to dispose or direct
the  disposition  of 0 Shares;  and  shares  the power to  dispose or direct the
disposition of the 1,818,742 Shares to which this filing relates.


     (a,  b) As of  the  date  hereof,  Brian  Taylor  may be  deemed  to be the
beneficial  owner of  11,096,895  Shares,  or 36.1% of the Shares of the Issuer,
based upon the  30,727,609*  Shares  outstanding  according to the Issuer's most
recent Form 8-K.

     Brian  Taylor  has the sole power to vote or direct the vote of 0 Shares to
which this  filing  relates;  shares the power to vote or direct the vote of the
11,096,895  Shares; has the sole power to dispose or direct the disposition of 0
Shares;  and  shares  the power to  dispose  or direct  the  disposition  of the
11,096,895 Shares to which this filing relates.

     Brian  Taylor  specifically  disclaims  beneficial  ownership in the Shares
reported herein except to the extent of its pecuniary interest therein.


     The Shares were acquired for investment purposes. The Reporting Persons may
acquire additional  Shares,  dispose of all or some of these Shares from time to
time, in each case  purchased in a private  transaction  with the Issuer,  block
sales or purchases or otherwise,  or may continue to hold the Shares.  Moreover,
the Reporting  Persons may engage in any or all of the items discussed in Item 4
above.

     (c) See Exhibit B for schedule of transactions.

     (d) Inapplicable

     (e) Inapplicable

-----------------
     * The number of outstanding  shares is based on the  19,630,714 Shares the
Issuer reported  outstanding as of March 24, 2011, adjusted for the number of
warrants beneficially owned by each Reporting Person.

--------------------------------------------------------------------------------
Item 6.  Contracts, Arrangements, Understandings or Relationships with Respect
         to Securities of the Issuer.

     The Reporting Persons do not have any contract, arrangement,  understanding
or relationship with any person with respect to the Shares.

--------------------------------------------------------------------------------
Item 7.  Material to be Filed as Exhibits.

     Exhibit A:  Joint Filing Agreement
     Exhibit B:  Schedule of Transactions in the Warrants of the Issuer

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








                                   SIGNATURE


     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.


                                             April 11, 2011
                                  ----------------------------------------
                                                 (Date)



                                 Pine River Capital Management L.P.

                                 By: Pine River Capital Management LLC,
                                     General Partner

                                 By: /s/ Brian Taylor
                                 -----------------------------------------------
                                 Name: Brian Taylor
                                 Title: Managing Member of the General Partner



                                 Nisswa Acquisition Master Fund Ltd.
                                 By: Pine River Capital Management L.P.
                                 By: Pine River Capital Management LLC,
                                     General Partner

                                 By: /s/ Brian Taylor
                                 -----------------------------------------------
                                 Name: Brian Taylor
                                 Title:  Managing Member of the General Partner



                                 Nisswa Master Fund Ltd.
                                 By: Pine River Capital Management L.P.
                                 By: Pine River Capital Management LLC,
                                     General Partner

                                 By: /s/ Brian Taylor
                                 -----------------------------------------------
                                 Name: Brian Taylor
                                 Title:  Managing Member of the General Partner


                                 Nisswa Fixed Income Master Fund Ltd.
                                 By: Pine River Capital Management L.P.
                                 By: Pine River Capital Management LLC,
                                     General Partner

                                 By: /s/ Brian Taylor
                                 -----------------------------------------------
                                 Name: Brian Taylor
                                 Title:  Managing Member of the General Partner


                                 /s/ Brian Taylor
                                 -----------------------------------------------
                                 Brian Taylor





Attention. Intentional misstatements or omissions of fact constitute federal
criminal violations (see 18 U.S.C. 1001).






                                    Exhibit A

                                    AGREEMENT

The undersigned agree that this Schedule 13D, dated April 11, 2011 relating to
the Common Stock, $0.0001 par value of Cullen Agricultural Holding Corp. shall
be filed on behalf of the undersigned.


                                 Pine River Capital Management L.P.

                                 By: Pine River Capital Management LLC,
                                     General Partner

                                 By: /s/ Brian Taylor
                                 -----------------------------------------------
                                 Name: Brian Taylor
                                 Title: Managing Member of the General Partner


                                 Nisswa Acquisition Master Fund Ltd.
                                 By: Pine River Capital Management L.P.
                                 By: Pine River Capital Management LLC,
                                     General Partner

                                 By: /s/ Brian Taylor
                                 -----------------------------------------------
                                 Name: Brian Taylor
                                 Title:  Managing Member of the General Partner


                                 Nisswa Master Fund Ltd.
                                 By: Pine River Capital Management L.P.
                                 By: Pine River Capital Management LLC,
                                     General Partner

                                 By: /s/ Brian Taylor
                                 -----------------------------------------------
                                 Name: Brian Taylor
                                 Title:  Managing Member of the General Partner


                                 Nisswa Fixed Income Master Fund Ltd.
                                 By: Pine River Capital Management L.P.
                                 By: Pine River Capital Management LLC,
                                     General Partner

                                 By: /s/ Brian Taylor
                                 -----------------------------------------------
                                 Name: Brian Taylor
                                 Title:  Managing Member of the General Partner



                                 /s/ Brian Taylor
                                 -----------------------------------------------
                                 Brian Taylor




                                    Exhibit B


              TRANSACTIONS IN THE WARRANTS DURING THE PAST 60 DAYS


Nisswa Acquisition Master Fund Ltd.
-----------------------------------

          Date of
        Transaction            Number Purchased/ (Sold)              Price ($)


        April 1, 2011          (7,510,363)                           0.005



Nisswa Master Fund Ltd.
------------------------------------

          Date of
        Transaction            Number Purchased/ (Sold)              Price ($)


        April 1, 2011          7,510,363                             0.005