Agricultural and Biological Sciences
8 years ago

Flooding boosts phosphorus retention in soils, impacting agricultural productivity and water quality.

Soil and Environmental Sciences
The effect of flooding on the phosphorus sorption and phosphorus desorption properties of upland red soil and paddy soil from Jiangxi province
Aiping Wang

Paper Summary

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Flooding affects how soils in Jiangxi province absorb and release phosphorus. Upland red soil adsorbs less phosphorus when flooded, while paddy soil absorbs more. Paddy soil also releases more phosphorus when flooded. The amount of extractable phosphorus increases after flooding, mainly due to phosphorus being released and then reabsorbed by iron oxide. Flooding for different lengths of time affects the phosphorus sorption and desorption properties of the soils differently.