Use of ammonium sulphate as a sulphur fertilizer: Implications for ammonia volatilization.

Soil Use Manag · 2022 · PMC9290479 · PMID 35873863

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A clear conclusion for S fertilization practice is that it is inadvisable to apply ammonium sulphate to soils with pH above 7.0 because NH 3 volatilization is extremely likely to be significant; even in soils with pH between 6 and 7, there is some risk of loss.

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