5. Figure A2. Distribution of Carbon (C) (%) Fig. A2. Distribution of Carbon (C) (%)
6.
7. Theoretical model q(s, L) = production function = total biomass of stovers generated on farm i = biomass deposited on field => improves soil = biomass used to feed livestock ρ R = total benefit of R as livestock fodder
8. Theoretical model (c’ed) Soil-quality evolution equation: => Biomass deposited on the field builds up soil quality => Ag. labor ( L ) depletes soil quality
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