-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 JviFkxfowrsQ4dAKWeJwDEDkIJWNB2q+hbhAVnnDdm2BsW6cMT961W5RLS2fm07R
 YuE57RYnO8wkF+BxnG4gMA==

<SEC-DOCUMENT>0001497554-10-000004.txt : 20100827
<SEC-HEADER>0001497554-10-000004.hdr.sgml : 20100827
<ACCEPTANCE-DATETIME>20100827102816
ACCESSION NUMBER:		0001497554-10-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100826
FILED AS OF DATE:		20100827
DATE AS OF CHANGE:		20100827

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Hanson Stephen P
		CENTRAL INDEX KEY:			0001497554

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33238
		FILM NUMBER:		101042265

	MAIL ADDRESS:	
		STREET 1:		594 BROADWAY
		STREET 2:		SUITE 803
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10012

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			POWERSHARES DB AGRICULTURE FUND
		CENTRAL INDEX KEY:			0001383082
		STANDARD INDUSTRIAL CLASSIFICATION:	 [6221]
		IRS NUMBER:				870778078
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		60 WALL STREET
		STREET 2:		C/O DB COMMODITY SERVICES LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005
		BUSINESS PHONE:		212-250-5883

	MAIL ADDRESS:	
		STREET 1:		60 WALL STREET
		STREET 2:		C/O DB COMMODITY SERVICES LLC
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10005
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>primary_doc.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2010-08-26</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001383082</issuerCik>
        <issuerName>POWERSHARES DB AGRICULTURE FUND</issuerName>
        <issuerTradingSymbol>DAG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001497554</rptOwnerCik>
            <rptOwnerName>Hanson Stephen P</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>594 BROADWAY</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 803</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10012</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Powershares DB Agriculture Double Long ETN - Commodity</value>
            </securityTitle>
            <transactionDate>
                <value>2010-08-26</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>200000</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>8.1887</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>900000</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <ownerSignature>
        <signatureName>Stephen P. Hanson</signatureName>
        <signatureDate>2010-08-27</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----