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Salad greens and tomatoes have become more difficult to buy in Italian stores in recent weeks. This is unique for Italy, owing to above-average temperatures in July and August. This, however, does not apply to all vegetables: carrots, zucchini, potatoes, and onions are not in short supply, and 2026 was also a productive year. Shortages are concentrated in salad greens, which are the most influenced by temperature variations, as well as tomatoes. Heat waves, according to distributors, have slowed the growing cycles of all types, which typically last three to six weeks, and reduced yields in fields and greenhouses, increasing the percentage of waster, or product unfit for sale. Certain varieties have suffered losses of up to 40% compared to last year. Rising temperatures and reduced rainfall are structurally affecting the yields of several crops. Between 2019 and 2023, lettuce production decreased by 10.5%, as did carrots (-11.5%) and peppers (-9%). To alleviate the effects of climate change, investments are currently being explored, including the construction of anti-hail netting, the construction of greenhouses that are both higher and more shaded, and the construction of small reservoirs to retain water. Climate change in Italy, like in other countries, is supporting the formation of a new predictive agriculture that uses sensors, meteorological data, satellite photos, and soil characteristics to forecast how growth conditions will change.
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