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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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Zaï entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-04-21 and was most recently seen on 2026-04-21.
Zaï or tassa is a farming technique of digging pits in less permeable soil to catch water and concentrate compost. The pits are between 15 and 50 centimetres across and around 5 to 15 centimetres deep, spaced approximately 80 centimetres (3 ft) apart. The technique is traditionally used in western Sahel to restore degraded drylands and increase soil fertility.
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