This coincided with a reduction in Eh to below 0 mV and a strong depletion of the sulfate content. In contrast, the pH of the unamended soil remained largely unchanged near the surface and increased slightly at depth where the Eh was also lower.
This coincided with a reductionin Eh to below 0 mV and a strong depletion of the sulfate content.In contrast, the pH of the unamended soil remained largely unchanged near the surface and increased slightly at depth wherethe Eh was also lower.