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Quantification of the Effect of Fumigation on Short- and Long-Term Nitrogen Mineralization and Nitrification in Different Soils

Stefaan De Nevea,*, Gabor Csitárib, Joost Salomeza and Georges Hofmana

a University of Gent, Department of Soil Management and Soil Care, Division of Soil Fertility and Soil Data Processing, Coupure Links 653, 9000 Gent, Belgium
b Present address: University of Veszprem, Georgikon Faculty of Agronomy, Department of Chemistry and Microbiology, Deák F. u. 16, 8360 Keszthely, Hungary



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Fig. 1. Evolution of mineral N concentrations in the unfumigated soils.

 


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Fig. 2. Evolution of mineral N concentrations in the fumigated soils.

 


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Fig. 3. Evolution of NH+4–N (left) and NO3–N (right) concentrations in the fumigated soils.

 


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Fig. 4. Transformed NO3–N concentrations in the fumigated soils with the nitrification model (Eq. [4]), fitted to the data.

 





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