Applied and Environmental Soil Science / 2015 / Article / Fig 3

Research Article

Agronomic Efficiency of Biosolid as Source of Nitrogen to Banana Plants

Figure 3

Nitrogen (a), phosphorus (b), and potassium (c) concentrations in banana leaves with sewage-sludge () and mineral fertilizer (). Columns with the same letter on top, within crop season, indicate that the mean does not differ by Tukey’s HSD test (). ns = ANOVA test is not significant for treatments effects (). Dashed line represents the nutrient critical level (NCL) according to Raij et al. [37].

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