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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Acquired intangible assets net (Details)	12 Months Ended
	Sep. 30, 2022
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Finite-lived intangible asset useful life	50 years
Maximum | Technology rights for licensed seeds
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Finite-lived intangible asset useful life	20 years
Maximum | Distribution network
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Finite-lived intangible asset useful life	14 years
Minimum | Technology rights for licensed seeds
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Finite-lived intangible asset useful life	3 years
Minimum | Distribution network
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Finite-lived intangible asset useful life	6 years

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- Definition

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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