Zai

[tribe] Zai (Pashto) are Pashtun tribes in Pakistan and Afghanistan. The title of tribe end in Zai and the their clans end in Khel. Some of the Pashtun tribes: == See also == ...
Found on http://en.wikipedia.org/wiki/Zai_(tribe)

Zaï

Zaï or Tassa are planting pits dug in the soil to catch water that were traditionally used in western Sahel (Burkina Faso, Niger, Mali) to restore degraded drylands and increase soil fertility. Zaï holes are being reintroduced since the 1980s by Yacouba Sawadogo, a farmer from Burkina Faso, who introduced the innovation of filling them with manu...
Found on http://en.wikipedia.org/wiki/Zaï
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