Our study region in Jambi Province, Sumatra, Indonesia was delineated
into two distinct lowland landscapes (Fig. A.1), based on the dominant
soil type and texture (i.e., clay Acrisol and loamAcrisol soils). The
loam Acrisol soil landscape was located south of Jambi city (1°55′40″S,
103°15′33″ E and elevation of 70 ± 4 m above sea level, asl) and the
clay Acrisol soil landscape was located west of Jambi city (2°0′57″S,
102°45′12″ E and elevation of 75 ± 4 m asl; Fig. A.1). The mean annual
temperature in Jambi is 26.7±1.0 °C and the mean annual precipitation
is 2235 ± 385 mm (1991–2011; climate station at the Jambi Sultan
Thaha airport of the Meteorological, Climatological and Geophysical
Agency)