• 1.- WATER SOURCES - 1.3. Precipitating harvesting —> 1.3.10. Controlled drainage.

          **[<https://sswm.info/water-nutrient-cycle/water-sources/hardwares/precipitation-harvesting/controlled-drainage>](<https://sswm.info/water-nutrient-cycle/water-sources/hardwares/precipitation-harvesting/controlled-drainage>)**
  

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