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Do pistachios grow on trees or in soil?
In the tree,

Pistachio Pistachio Pistachio is the common name of Pistachio Pistachio, also known as "nobody". Pistachio Pistachio is a kind of dried fruit, similar to Ginkgo biloba, but different from Ginkgo biloba because of cracks and cracks. Mainly produced in Syria, Iraq, Iran, the southwest of the former Soviet Union and southern Europe. It is also rarely cultivated in China and Xinjiang. Flora of China records that this species is a small tree, 5-7 meters high, with odd pinnate compound leaves and 3-5 leaflets, but usually 3. Leaflets ovate or broadly elliptic, 4 ~ 10 cm long and 2.5 ~ 6.5 cm wide, entire. Spike length is 4 ~ 10 cm. Dioecious, the male flower has 3 ~ 5 perianth segments of different sizes. The tepals of female flowers are 3 ~ 5, membranous. The ovary is ovoid, the fruit is large and rectangular, about 2 cm long and 65438 0 cm wide. When mature, the apex is pointed, yellow-green or pink.

Legend has it that in the 5th century BC, during the Bo Shi War, Persians relied on this Ayurveda to make the army full of vitality and even won the battle. Persian herders must carry enough pistachios when they are nomadic, so that they can migrate far away. Pistachio nuts contain vitamin E, which has anti-aging effect and can enhance physical fitness. The kings of ancient Persia regarded it as a "fairy fruit". In addition, it also has the effect of moistening intestines and detoxifying. In addition, if the landlord wants to eat, he should pay attention to the fact that the green of pistachios is fresher than the yellow. Pistachio nuts have been stored for too long and should not be eaten again.

Pistachio nuts are rare food in the world and the favorite food of the Queen of Sheba. The Queen of Sheba once ordered that all pistachios produced in the territory she ruled belonged to herself and the royal family. This royal nut was imported by American traders from 65438 to 2009 in the 1980s, mainly serving American citizens with Middle Eastern ancestry. About 50 years later, pistachios became a popular snack and were sold on vending machines. These imported nuts are dyed red, on the one hand, to attract attention, on the other hand, to cover up the stain brought by traditional harvesting techniques. The birth of California's happy fruit industry followed closely. 1929, American botanist William E. Whitehouse spent six months alone in Persia (today's Iran), collecting seeds, carefully selecting from piles of products, and looking for the most outstanding quality pistachios. He returned to America with a bag full of seeds, weighing 20 pounds.

The next year, experimental planting was carried out in California (the desert-like climate made it an ideal growing place). Because it takes seven to ten years for a happy fruit tree to mature, it was not until 1950 that the first mature happy fruit tree appeared in front of people. This variety is called Kerman, named after the famous carpet manufacturing city, and the seeds of pistachios are collected near the city. Since then, scientists have further strengthened Kerman by sprouting with stronger taproot varieties.

Now, the idea of establishing a happy fruit industry in California is gradually coming true. Rumors about this new crop spread, and in the 1960s, pistachios were planted all over California. However, for these adventurous Californians, many problems related to this new crop remain a mystery.