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. 2020 Oct 7;15(10):e0238934. doi: 10.1371/journal.pone.0238934

Fig 5. Comparison of N uses efficiencies under combined organic and chemical N fertilizer application.

Fig 5

N recovery efficiency (REN) (A), N harvest index (NHI) (B), N agronomic efficiency (NAE) (C), internal N efficiency(INE) (D), and N partial factor productivity (NPFP) (D) early and late season. The vertical bar represents the standard error of the mean. Different letters above the column indicate statistical significance at P < 0.05. The treatment coding details already showed in the above figure. The mean comparison was made using Tukey tests for treatments mean in both seasons and the lettering was done on basis of Tuky HSD test at 5% using simple effect. ns = non-significant; *, ** = significant at 5% and ** at 1%, respectively.