Coastal acid sulfate soils (ASS) are naturally occurring sediments deposited under low elevation estuarine conditions such as coastal floodplains. When exposed to oxygen through drainage or disturbance, these materials produce sulfuric acid, often releasing potentially iron, aluminium and other metals. The NSW Sugar Industry plays an active role in the management of ASS in cane farming areas throughout the region.
The NSW Sugar Industry controls on-farm management of acid sulfate soils (ASS) through a unique industry-government self-regulation scheme.

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