Soil Degradation-Induced Decline in Productivity of Sub-Saharan African Soils: The Prospects of Looking Downwards the Lowlands with the <i>Sawah</i>  Ecotechnology

<table>A newly developed <i>sawah</i> field located in an inland valley in Jega, Kebbi State of Nigeria.</table>

Applied and Environmental Soil Science

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Figure 4

Figure 4: Soil Degradation-Induced Decline in Productivity of Sub-Saharan African Soils: The Prospects of Looking Downwards the Lowlands with the <i>Sawah</i>  Ecotechnology 

Figure 4 | Soil Degradation-Induced Decline in Productivity of Sub-Saharan African Soils: The Prospects of Looking Downwards the Lowlands with the Sawah  Ecotechnology 