Це Link не існує на вашій мові, Переглянути в: English (en),
Або використовуйте 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: 

ArabicAtesoBambaraEnglishFrenchFulfulde (Cameroon)GourmantcheHausaKanuri / KanouriKinyarwanda / KirundiMooréSpanish