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PLANT AND EQUIPMENT, NET (Details Textual) (CNY) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2010
Buildings and Improvements Gross Collateral To Bank Loan | 35,570 | 6,882 |
Depreciation | 12,803 | 16,235 | 11,531

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- Definition Represents the value of plant and equipment pledged as collateral to bank loan. + References No definition available. + Details
Name: | seed_BuildingsAndImprovementsGrossCollateralToBankLoan
Namespace Prefix: | seed_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_Depreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration