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• The economics of caliber: how fruit size triples the price

  160 TL at caliber 18, 55 TL at caliber 41. Fruit size is price — and the cooperative pays 16% above the exchange average.

  … measure different things, and the gap between them is instructive. ## What is caliber? In table olives, **caliber** (or *barem* in Turkish) is the count of …

• Where is quality lost in table olives?

  Variety choice, harvest technique, fermentation control, sterilisation and the pre-packing check are each a separate point of loss. The structural problem is scale and inspection.

  … economics of calibre](/en/the-economics-of-caliber-fruit-size-and-price). ## Harvest: timing and method both decide Harvest is far more delicate for table olives than for oil. Three things must hold together: …

• Marmarabirlik purchase prices: what the grower actually receives in Marmara

  The 2025/2026 season: 160 ₺ for calibre 18, 55 ₺ for calibre 41, 53 ₺ for oil fruit. Size alone changes the price 2.9×, and the union buys down to calibre 41 where the market stops at 28.

  … fruit size changes the price](/en/the-economics-of-caliber-fruit-size-and-price) ## The gap between oil and table On the same list, **olives for oil fetch 53 lira**. So there is almost …

• Olive growing in Marmara: the home of the table olive

  The table olive's home is not the Aegean but Marmara: 80% of the region's crop is Gemlik. The reason is climate.

  … table olives [size translates straight into price](/en/the-economics-of-caliber-fruit-size-and-price). Bursa leads southern Marmara **by tree count**. The province's highest production varies by year but falls in the districts …

• The olive fruit fly: sting thresholds, traps and a control calendar

  The olive pest that costs most: losses of 15-30% if left alone. Sting threshold 1% for table varieties, 3-4% for oil.

  … The intervention threshold — the heart of the matter This is the single most important figure in the technical instruction. **You spray because a threshold was …

• The nameless olives of southeast Anatolia: Mardin, Şırnak and the pollinator problem

  Kumçatı and Derik genotypes beat Ayvalık and Gemlik on flesh ratio. Yuvarlak halhalı sets only 0.43% of its flowers with its own pollen.

  … Gemlik (85.36%). The fruit is small, but so is the stone; the edible share is higher. The study's own recommendation is that **Kızıltepe, pomologically the closest …

• What does a kilo of olives cost? The cost sheet of 152 Aegean farms

  Land rent is 37.70% of cost, harvest 16.90%. In table olives 73% of processing cost is rejected fruit; in oil, 94% is the fruit itself.

  … means not only a higher price but less waste. Salt and chemicals — the brine itself — are only 4.91% of cost. A table olive's cost …

• Was it six times? Seven years of the table olive gap

  How many times the oil price does a table olive fetch? Over seven years the ratio ranged 1.43 to 3.46, never below 1.