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ACQUIRED INTANGIBLE ASSETS, NET
 12 Months Ended
Sep. 30, 2011
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,
  
   
2010
    
2011
  
   
RMB
    
RMB
  
             
Technology rights for licensed seeds
     74,265       74,723  
Distribution network
     6,975       6,739  
Trademark and certificates
     3,394       1,687  
Others
     4,530       4,763  
                 
      89,164       87,912  
Accumulated amortization
     (49,506 )     (54,366 )
Impairment provision
     (4,314 )     (4,314 )
                 
Acquired intangible assets, net
     35,344       29,232  
 
Amortization expenses for the years ended September 30, 2009, 2010 and 2011 were RMB11,407, RMB9,692 and RMB8,870 respectively.
 
No impairment provision has been charged for the years ended September 30, 2009, 2010 and 2011.

Amortization expense on these intangible assets for each of the next five years is as follows:
 
Year ending September 30,
  
RMB
  
       
2012
     5,619  
2013
     3,926  
2014
     3,097  
2015
     2,339  
2016
     1,789  
         
Total
     16,770  
 
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.