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Table 2 Differences in drainage efficiency for soil columns

From: Installing artificial macropores in degraded soils to enhance vertical infiltration and increase soil carbon content

Rainfall intensity (mm/h) Drainage efficiency drainage total rainfall
No macropore Empty macropore Macropore with glass fiber fillings
2 1.00 1.00 1.00
4 1.00 1.00 0.98
20 0.19 0.92 0.34
80 0.08 0.28 0.08
  1. 1 means perfect drainage, while 0 means emergence of surface runoff.