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Türkiye's water data and water law, in one place

Translation; the Turkish text is authoritative. TürkçeEnglishالعربية

My land and field

What can I grow?

For your village: crops that hold up in a dry year, and irrigation that uses less water

Choose your village. For 15 crops, the water used from sowing to harvest is worked out with your village's weather; the page shows how much of it the rain covers in a normal year and in the driest of the last 30 years, and the irrigation need left per decare (1,000 m²). The list starts with the crop that needs the least water in a dry year.

Irrigation methods: for the same need, drip irrigation puts a third less water on the field than surface irrigation (FAO field application efficiency: surface 60%, sprinkler 75%, drip 90%). Month-by-month detail: Water my field needs

Summary

Choose your village: for 15 crops, see how much of their water your village's rain covers in a normal and in the driest year, and the irrigation left per decare, starting with the crop that needs least. Province pages (in Turkish) group 21 FAO crops.

Province pages (in Turkish)

Each province page compares the FAO water need range of 21 field crops with the province's yearly rain normal (CHIRPS 1991-2020) and lists the crops in three groups: rain only, with irrigation, hard in this province. 81 provinces.

Province rule, FAO crop table and sourcesFAO Table 5 · CHIRPS normal

Rule: The province's yearly rain normal R (mm; the sum of the CHIRPS 1991–2020 monthly normals); the crop's FAO range [a, b] (mm per growing season). If R ≥ b the crop is in the “rain only” group; if a ≤ R < b, “with irrigation”; if R < a, “hard in this province”. 1 mm of rain × 1 decare (1,000 m²) = 1 m³ = 1 tonne, so the mm values are also m³ per decare. There is no other rule.

FAO Table 5: water need of crops over the growing season
Crop (FAO name)Need (mm per growing season)Middle value (m³/decare)
Alfalfa800–1,6001,200
Banana1,200–2,2001,700
Barley/Oats/Wheat450–650550
Bean300–500400
Cabbage350–500425
Citrus900–1,2001,050
Cotton700–1,3001,000
Maize500–800650
Melon400–600500
Onion350–550450
Peanut500–700600
Pea350–500425
Pepper600–900750
Potato500–700600
Rice (paddy)450–700575
Sorghum/Millet450–650550
Soybean450–700575
Sugarbeet550–750650
Sugarcane1,500–2,5002,000
Sunflower600–1,000800
Tomato400–800600

Source: FAO, Irrigation Water Management: Training Manual No. 3 (Brouwer & Heibloem, 1986), Table 5, “Approximate values of seasonal crop water needs” — https://www.fao.org/4/s2022e/s2022e02.htm (accessed 25 October 2026). The table's 21 crops are taken as they are; nothing is added.

Non-commercial use: This site is not commercial: it has no income, advertising or paid content. The FAO table is used under this condition, as “non-commercial use”; FAO has not endorsed this page. FAO terms of use (verbatim, https://www.fao.org/contact-us/terms/en/): “All other content on the FAO website (except where otherwise indicated), may be copied, printed and downloaded for private study, research and teaching purposes, and for use in non-commercial products or services, provided that appropriate acknowledgement of FAO as the source and copyright holder is given and that FAO's endorsement of users' views, products or services is not stated or implied in any way.”

Rain normal: CHIRPS v3.0 (UCSB Climate Hazards Center) — CC BY 4.0 (chc.ucsb.edu/data/chirps3: "licensed under a Creative Commons Attribution 4.0 International License"); 0.05° (~5 km); sum of the 1991-2020 monthly normals (normal computed by the site with the same CHIRPS v3.0 method; MGM data was not used); data produced 5 November 2026. Limits: 0.05° cells (~5 km): in very small provinces the effect of neighbouring areas is smaller but remains; basin boundaries come from an unofficial source; in yearly totals the current year is partial; preliminary months may change with the final product.

General information for the province as a whole; soil and irrigation conditions are determined on site.

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