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Kinetics of ammonium sulphate transformation in soils



Kinetics of ammonium sulphate transformation in soils



Agrochimica 36(4/5): 381-389



The effects of N, Ca CO3, salinity and ESP on the nitrification of (NH4)2SO4 in sandy loam soils were investigated in incubation experiments under field capacity moisture conditions. Nitrification followed first order kinetics and the values of first order rate constant increased with increasing levels of N, C2CO3 and salinity. There was a decrease in NH4 and an increase in NO3 up to 42 days incubation. Recovery of mineral N decreased with time and increased rates of CaCO3, salinity and ESP.

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Accession: 002646262

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