Orange production area production environment and variety

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Orange is one of the four famous fruits in the world. It is mature in the autumn and winter in my country. People love to eat, especially when they are eaten during the New Year.

Orange is also known as Huang Guo, which is one of the four famous fruits in the world. It is native to southern my country. In the early 15th century, it was introduced to Europe and the Americas were introduced at the end of the 15th century. The oranges are bright in color, sweet and sour, neat and beautiful, and they are loved by people. They are also one of the gifts of gifts and visits to visit patients. Orange is also known as u0026 ldquo; The cure is good, and it is rich in vitamin C, calcium, phosphorus, u0026 beta;-carotene, citric acid, orange leverin, alcohol, and hydride. In particular, its vitamin C has a rich content, which can enhance human resistance and can also discharge fat -soluble harmful substances out of the body. Orange peel is rich in carotene, which can be used as a stomach and aromatherapy. Orange peel also contains a certain orange peel oil, which is effective for chronic bronchitis.

Roughly divided, orange can be divided into two categories: sweet oranges and lime. Line oranges are also called cylinder oranges. It tastes sour and bitter. It should not be eaten. It is mostly used to make fruit juice and rarely eat. Fresh food is mainly sweet orange. The sweet orange fruit is a spherical shape, slightly flat on the top and bottom, and the surface is slippery to mature before color green. After mature, it becomes yellow and sweet, which is sweet and sour, juicy, and rich in aroma.

Origin

Oranges are native to southern my country, and are distributed in all provinces in the south. It is more concentrated with Sichuan, Guangdong, Taiwan and other provinces. In the early 15th century, it was introduced from China to Europe, and it was introduced to the Americas at the end of the 15th century.

Growth environment

The growth, flowering results and temperature, sunlight, water (humidity), soil and wind, altitude, terrain, and slope direction of the oranges Tightly correlated, these conditions affect the largest number of temperatures. Even at the temperature of the difference ° C, there are very different results. The most suitable temperature for orange growth is ~ 37 ° C. When the flower buds are differentiated in autumn, the temperature of the day and night is required to be about 20 ° C and about 10 ° C, respectively. The too low temperature will freeze the oranges. In addition, oranges are trees with strong negative negatives, but they still need good sunshine. Generally, the annual sunshine is 1200 to 2,200 hours of region.

variety

According to the shape and characteristics of the fruit, orange can be divided into the following four types of types:

1. Ordinary sweet orange. The fruit is generally circular, orange, no umbilical on the top of the fruit, or circles, which are the largest types of sweet orange.

2. Sugar orange. Also known as non -sour orange, the fruit shape is similar to ordinary sweet orange. Due to the extremely low acid content, the juice content reachesIt can be harvested and listed at appropriate degree.There are a small amount of production along the Mediterranean coast and Brazil to supply local markets.

3. Blood orange.The flesh and juice are all purple -red or dark red.The flesh is tender and juicy, with special fragrance. The Mediterranean region is its origin and the main origin.

4. Navel orange.It is characterized by the top of the fruit top, that is, there is a small fruit that is inaccurate and embedded on the top of the fruit.No nuclear, crispy and tender meat, thick and sour taste.

In addition, there are varieties such as red juice orange (improved orange), brocade orange (goose egg mandarin), leaf orange, rock sugar orange and summer orange.

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