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Published online 31 May 2006
Published in J Environ Qual 35:1135-1141 (2006)
DOI: 10.2134/jeq2005.0142
© 2006 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
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Effects of Moisture and Temperature on Carbon and Nitrogen Mineralization in Mine Tailings Mixed with Sewage Sludge

Pär Wennman* and Thomas Kätterer

Department of Soil Sciences, SLU, Uppsala 750 07, Sweden


Figure 1
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  		Fig. 1. Carbon dioxide evolution rates (Cflux; mg C g–1 initial substrate d–1) at –1, 5, 10, and 15°C, and 2% ({diamond}), 8% ({square}), 14% ({blacksquare}), and 24% (x) moisture.

 

Figure 2
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  		Fig. 2. Simulated versus measured CO2–C fluxes (mg C g–1 initial substrate d–1). Error bars correspond to standard deviations of the measurements.

 

Figure 3
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  		Fig. 3. Response surface kl(T,M)/kref according to Eq. [5]. Parameter values are presented in Table 3.

 

Figure 4
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  		Fig. 4. Mineral N (—) and nitrate (- - -) dynamics during 97 d at –1, 5, 10, and 15°C and 2% ({diamond}), 8% ({square}), 14% ({blacksquare}), and 24% (x) moisture.

 




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