Fig. 4 Measured (data points) and fitted (lines) soil water characteristic curves in two selected soils in each of Cerrado (CE) and conventional tillage (CT) treatments (CE1 and CT2 in Fig. 1) at 0- to 0.15-, 0.15- to 0.30-, 0.30- to 0.80-, 0.80- to 1.20-, and 1.20- to 2.00-m depths