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Fig. 2 | Chemical and Biological Technologies in Agriculture

Fig. 2

From: Application of biochar-coated urea controlled loss of fertilizer nitrogen and increased nitrogen use efficiency

Fig. 2

Dynamics and cumulative loss of NH3 volatilization in different fertilized soils. a dynamic loss; b cumulative loss. CK, no fertilizer; U1,urea at 100% N rate; U2, urea at 80% N rate; U1 + B, biochar combined with urea at 100% N rate; U2 + B, biochar combined with urea at 80% N rate; BCU1, biochar-coated urea at 100% N rate; BCU2, biochar-coated urea at 80% N rate; BCU1 + B, biochar combined with biochar-coated urea at 100% N rate. Error bars represent ± sd (n = 3)

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