Landscape, soil and climatic characteristic

Upslope

Midslope

footslope

Groundnut

huckleberry

Maize

beans

Groundnut

huckleberry

Maize

beans

Groundnut

huckleberry

Maize

beans

Climate (c)

Precipitation during crop cycle (mm)

S1-1

S1-1

S1-1

S1-0

S1-1

S1-1

S1-1

S1-0

S1-1

S1-1

S1-1

S1-1

Mean T˚C during crop cycle (˚C)

S1-1

S1-1

S1-1

S1-1

S1-1

S1-1

S1-1

S1-1

S1-1

S1-1

S1-1

S1-1

Annual Precipitation (mm)

N2

N2

S3

S3

N2

N2

S3

S3

S3

N2

N2

S3

Topography (t)

slope

S1-0

S1-0

S1-0

S1-0

S2

S1-1

S1-1

S2

S1-0

S1-0

S1-0

S1-0

Wetness (w)

Flooding

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

N2

N2

N2

N2

drainage

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

N2

N2

N2

N2

Soil physical characteristics (s)

Texture/structure

S1-1

S1-1

S1-1

S1-1

S1-0

S1-1

N2

N2

S2

S1-1

N2

N2

Course fragments (%)

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

Soil depth (cm)

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

Soil fertility (f)

S (cmol + kg1)

S1-0

S1-0

S1-0

S1-0

S2

S2

S2

S2

S1-0

S1-0

S1-0

S1-0

CECapp (cmol + kg1)

S1-1

S2

S2

S2

S1-1

S2

S2

S2

S1-1

S2

S2

S2

Base saturation (%)

S2

S2

S2

S2

S2

S2

S2

S2

S2

S2

S2

S2

pH (H2O)

N2

N2

N2

N2

N2

N2

N2

N2

N2

N2

N2

N2

OC (%)

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

Salinity (n)

ESP (%)

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

S1-0

Suitability

Class

S2fN2cf

S2fN2cf

S2fS3cN2f

S2fN2f

S2fN2cf

S2fN2cf

S2fN2csf

S2ftS3cN2sf

S2sfS3cN2wf

S2fS3cN2cwf

S2fNwsf

S2fS3cN2wf