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ACQUIRED INTANGIBLE ASSETS, NET | 12 Months Ended
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Sep. 30, 2012
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets Disclosure [Text Block] | 11. ACQUIRED INTANGIBLE ASSETS, NET Acquired intangible assets, net consist of the following:
|  | September 30, |
|  | 2011 |  |  | 2012 |
|  | RMB |  |  | RMB |
Technology rights for licensed seeds |  |  | 74,723 |  |  |  | 78,323 |
Distribution network |  |  | 6,739 |  |  |  | 6,739 |
Trademark and certificates |  |  | 1,687 |  |  |  | - |
Others |  |  | 4,763 |  |  |  | 4,763 |
|  |  | 87,912 |  |  |  | 89,825 |
Accumulated amortization |  |  | (54,366 | ) |  |  | (59,926 | )
Impairment provision |  |  | (4,314 | ) |  |  | (4,314 | )
Acquired intangible assets, net |  |  | 29,232 |  |  |  | 25,585 |
Amortization expenses for the years ended September 30, 2010, 2011 and 2012 were RMB9,692, RMB8,870 and RMB5,846, respectively. No impairment provision has been charged for the years ended September 30, 2010, 2011 and 2012. Amortization expense on these intangible assets for each of the next five years is as follows:
Year ending September 30, |  | RMB |
2013 |  |  | 4,619 |
2014 |  |  | 3,786 |
2015 |  |  | 3,108 |
2016 |  |  | 2,645 |
2017 |  |  | 1,616 |
Total |  |  | 15,774 |
The Company enters into technology transfer and usage agreements with strategic partners and pays up-front fees for the exclusive rights to certain seed technologies. Technology rights amortized over an average usage period of 5 years and charged to general and administrative expenses.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44, 45, 46 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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