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Chemical and Biological Technologies in Agriculture
Fig. 8 | Chemical and Biological Technologies in Agriculture

Fig. 8

From: A slow release nitrogen fertiliser produced by simultaneous granulation and superheated steam drying of urea with brown coal

Fig. 8

Effect of different N fertilisers on N2O emissions (µg m−2 h−1) at different irrigation events. Note that day 7, 14 and 35 irrigations were to 60 % soil water holding capacity; whereas the day 21 irrigation represented a leaching event in which soil was saturated. Within a specified time, letters above column are different if the value is significantly different (P < 0.05)

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