Summary
A study of transformations of added nitrate nitrogen in an acid sulfate soil under waterlogged conditions indicated that chemical reduction of NO3−N to NH4−N is effected by high concentrations of ferrous iron, released in the soil following flooding and reduction of ferric to ferrous iron.
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Sahrawat, K.L. Is nitrate reduced to ammonium in waterlogged acid sulfate soil?. Plant Soil 57, 147–149 (1980). https://doi.org/10.1007/BF02139652
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DOI: https://doi.org/10.1007/BF02139652