“…Coffee cultivation under central pivot irrigation is a common practice in this area and for this reason planting rows were arranged in concentric circles. Planting row direction, relative to the sensor look direction, is an important factor influencing backscatter in agricultural crops (Brisco et al, 1991;Formaggio et al, 2001;McNairn and Brisco, 2004). For this reason, the circular coffee fields were divided into two classes: Coffee-|| (Parallel Coffee, A in Figure 2b) and Coffee-⊥ (Perpendicular Coffee, B in Figure 2b).…”