The afforestation section of grapefruit is preferably flat or gentle slope. The slope is best to the south slope, the temperature is high, the sunshine time is long, and the light is sufficient. Secondly, the southeast slope or the southwest slope can be selected to avoid the northeast slope. Planting on the northwest slope and the north slope to avoid exposure to light, insufficient heat or freezing damage.
Suitable for altitude, the southern provinces and regions have a generally low terrain, and the altitude is below 400 meters. Yunnan is a plateau, with few elevations below 400 meters, but the latitude is low, and the light and heat are sufficient. According to the trial conditions, the southern and southern Yunnan tropical and subtropical regions can be planted at an altitude of 1000 meters below sea level.
Grapefruit is nutritious and contains a wide variety of nutrients needed by the body. According to analysis, each 100 grams of pomelo fruit contains 89 grams of water, 0.89 grams of protein, 0.1 grams of fat, 9.5 grams of carbohydrates, 18 mg of calcium, 17 mg of phosphorus, 0.1 mg of iron, 0.06 mg of vitamin B, and 10.03 mg of vitamin B. Vitamin C 40 mg; the peel contains various mineral components, and each gram of fresh peel contains potassium 2.8-3.5 mg, calcium 0.55-0.96 mg, magnesium 0.18-0.28 mg, sodium 0.003-0.034 mg, and zinc 0.001-0.002 mg. In addition, grapefruit also contains pectin, natural folic acid, vitamin P and grapefruit. The grapefruit juice yield is 40-50%, sugar is 7-7.5%, acid is 2-2.5%, soluble solids is 9.5-11.5%, and the general edible rate is over 70%. The rich nutrients are beyond the reach of other citrus pomelo.
Grapefruit fruit is tender and juicy, slightly aroma, sweet and sour taste, slightly bitter, unique flavor, good taste, can be fresh, can also be made into canned and juice, of which juice is one of the most important ways of eating About half of the world's grapefruit is processed into juice. Especially in developed countries such as Europe, America, and Japan, grapefruit and fruit juice are essential fruits and beverages for many families, especially in the upper class and white-collar workers. It is considered a cool fashion to eat grapefruit as a taste.
The grapefruit peel extracts essential oils and pomelo, the mesocarp extracts pectin and candied fruit, and the seeds can also be oiled. Grapefruit is also often used as a flavoring agent in frozen desserts, baked goods, carbonated drinks and alcohol; it is also a fragrance for cosmetics, cleansers, soaps and soaps.