Figure 1

Forage accumulation rate (kg DM⁻¹ day⁻¹) of Marandu grass under fertilization with different doses of nitrogen. ANOVA (P = 0.043). The effect of nitrogen application was linear and positive. In the linear equation, f(x) is a function of N dose (x = kg N ha⁻¹) and y = kg DM⁻¹ day⁻¹.