How Mountains Grow Rice Stair by Stair
Mud does the heavy lifting here. On a bare slope, rain strips soil downhill; carved into terraces, that same slope begins to manufacture arable ground. Each step is a horizontal basin cut into bedrock or rubble, bordered by compacted earth bunds that act as miniature dams and friction brakes for water and sediment.The bold claim is that farmers are not just using the mountain; they are rebuilding ...More
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