ZA, Za, may refer to:
- South Africa (ISO 3166 country code, from Zuid-Afrika
- South Africa's top level domain, .za
- Zambia (FIPS 10-4 and obsolete NATO country code)
- Interavia Airlines (IATA airline code), an airline based in Moscow, Russia
- ZoneAlarm
- Zinc aluminium
- Zettayear or zettaannum, a unit of time equal to 1021 (one sextillion) years
- Za (guilds), which were Japanese feudal trade guilds; also a Japanese term (座), usually meaning "seat" or "platform"
- Ẓāʼ, a letter of the Arabic alphabet
- "Za," a song by Supergrass from their 2002 album Life on Other Planets
- Za, a contraction of the term "pizza"
- Zhuang languages (ISO 639 alpha-2 language code)
- Zeptoampere and zettampere (also written zetta-ampere), multiples of the SI unit of electric current Ampere, equal to 10−21 (one sextillionth) amperes and 1021 amperes, respectively
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Zaï
Zaï or Tassa is a farming technique to dig pits (20-30cm long and deep and 90 cm apart) in the soil during the preseason to catch water and collect compost. The technique is 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 manure and compost to provide plant nutrients. The manure attracts termites, whose tunnels help further break up the soil. He also slightly increased the size of the holes over the traditional models. Zaï holes help improving the yields of trees, sorghum, and millet by up to 500%.
As an alternative to the zaï-technique some agronoms suggest a diking technique, especially in the case of very light soils.
See also
References
ZA
ZA or Za may refer to:
- South Africa's top level domain, .za
