The olive tree is a subtropical evergreen tree of the family Oleaceae. It is a sacred object of ancient Greece and symbolizes peace, courage, and victory.
Olive trees 6 to 8 meters high, leaves opposite, elliptic or lanceolate, 7 to 8 cm long, dark green leaves, slightly silvery dandruff-like scales, silvery dandruff-like scales on the back, full edge. Buds are naked buds, cone-shaped umbrella-shaped inflorescences, axillary, flowers small, yellow-white, slightly aromatic, calyx campanulate, corolla deep 4 crack. Flowering in May, fruit ripening from September to December. The fruit is a nearly spherical or oval fleshy stone fruit. The fruit before harvest is green, mostly dark brown when mature, shiny or with white powder on the surface.
The olive tree is a valuable and high-quality woody oil tree species characterized by “high yield, high quality, and high profitabilityâ€. It is a strong negative tree and grows on well-drained land. It is drought-tolerant and has strong adaptability to soil. Sandy loam and clay-rich clays can grow in shallow soils and are resistant to cold. Generally, the varieties can tolerate low temperatures of -12°C, while cold-tolerant varieties can tolerate low temperatures of -18°C. They are long-lived species with strong growth ability.
In 3,000 BC, olive trees were planted on the island of Crete, Greece, and spread around the Mediterranean countries. They have now been cultivated in large areas in Europe, Asia, the Americas, and Oceania. Since the 1960s, China has introduced the former Soviet Union and Albania successively, and has planted widely in the southern provinces. Olives are sown and sown, or transplanted with earth balls. Can be planted or potted. At present, there are as many as 5Q0 varieties of olive cultivars in the world, and about 140 species are widely cultivated.
The olives are lush and can be used as shade trees, street trees or fruit trees. Olive fruit is suitable for edible and medicinal purposes and can be used for making canned foods and preserves.
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