Agronomic Efficiency of Biosolid as Source of Nitrogen to Banana Plants

Figure 4

Soil nitrate () and ammonium () as effect of biosolid (, 100; , 200; and , 400 kg ha⁻¹ N) and mineral fertilizer (, 200 and , 400 kg ha⁻¹ N). Means followed by same letters, within depths, do not differ statistically by Tukey’s test ().