Zia is a Moore word for 'pit', and that's the idea. These are pits that help capture dew and small sources of water and hold them so that plants can grow.

(Instructions are from: )

Microcatchment Rainwater Harvesting Systems: Zai Planting Holes Section 2.1
Olufunke Cofie, Boubacar Barry, Deborah Bossio, International Water Management Institute, Ghana and Sri Lanka, Nobember 22-25, 2004

[img_assist|nid=391|title=Zai Planting pit, Sandy Soil, Niger|desc=|link=node|align=left|width=400|height=293]

"Human Resources as a driver of Bright Spots: the case of rainwater harvesting in West Africa", Conference Paper 19, NEPAD/IGAD Regional Conference: Agricultural Successes in the Greater Horn of Africa, Nairobi 22-25, 2004

2.1 Micro-catchment rainwater harvesting systems

Subscribe to ReGreening