Este Link não existe na sua língua, Ver em: Español (es), English (en), Français (fr),
Ou usar o Google Translate:  

www.accessagriculture.org/slm06-zai-...anting-pits

Access Agriculture Training Video

Zaï as they are known in Burkina Faso, or tassa in Niger, are wide deep planting pits. They act as a microcatchment and can be used to rehabilitate soils when used with manure. They have been very successful in West Africa during the last 25 years.

 

Available languages

Arabic   Ateso   Bambara   English   French   Gourmantche   Hausa   Mooré   Spanish