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DOCUMENT AND ENTITY INFORMATION (CNY)
 12 Months Ended
Sep. 30, 2011
Entity Registrant Name Origin Agritech LTD
Entity Central Index Key 0001321851
Current Fiscal Year End Date --09-30
Entity Filer Category Accelerated Filer
Trading Symbol seed
Entity Common Stock, Shares Outstanding 23,382,812
Document Type 20-F
Amendment Flag false
Document Period End Date Sep. 30, 2011
Document Fiscal Period Focus FY
Document Fiscal Year Focus 2011
Entity Well-Known Seasoned Issuer No
Entity Voluntary Filers Yes
Entity Current Reporting Status Yes
Entity Public Float 0