Figure 1 Nigerien millet farmer practising traditional
precision agriculture to effectively allocate manure and crop
residues, scarce farm-internal soil amendments, to his field. Small
insert: millet plant germinating from a cattle dropping on a bare
Figure 2 Effects of microdosing in a farmer's field near
Maradi (SE-Niger; Buerkert and Hiernaux, 1998).
Figure 3 Aerial view of the village of Banizoumbou (left)
where farmers cultivate millet without external inputs and of Kara
Bedji (right) where farmers used the microdosing technology
(Buerkert and Hiernaux, 1998).
Figure 4 Typical Arenosol (left) for millet cultivation
in rural subsistence agriculture and two Fluvisols (right) used for
urban agriculture in Niger (particularly note the dark surface
layer rich in organic carbon).