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Biological assets (Tables)

6 Months Ended

Jun. 30, 2025

Disclosure of detailed information about biological assets [abstract]

Disclosure of reconciliation of changes in biological assets [text block]


						06/30/2025						12/31/2024
Opening balance						22,283,001						18,278,582
Additions						3,642,430						7,180,450
Additions of merged companies												366,785
Depletions						(2,578,471)						(4,831,916)
Transfers						15,233						102,790
Gain (loss) on fair value adjustments						(73,248)						1,431,530
Disposals						(12,390)						(130,922)
Write-offs						(54,576)						(114,298)
Closing balance						23,221,979						22,283,001

Schedule of Assumptions Used for Calculation of Fair Value of Biological Assets


						06/30/2025						12/31/2024
Useful productive planted area (hectare)						1,268,890						1,243,191
Mature assets (6 to 7 years)						183,841						191,737
Immature assets (1 to 5 years)						1,085,049						1,051,454
Average annual growth (IMA) – m3/hectare/year						36.80						37.62
Average gross sale price of eucalyptus – R$/m3						103.36						101.38
Discount rate (post-tax)						8.40		%				8.80		%

Disclosure of Gains Losses On Fair Value Adjustment Biological Assets


						06/30/2025						12/31/2024
Physical changes and discount rate (1)						(420,127)						609,259
Price						346,879						822,271
						(73,248)						1,431,530