Sugar orange is pure and sweet, navel orange is sweet and sour. Which one is delicious is decided according to personal taste.

Sugar orange planting area belongs to the humid climate of mid-subtropical monsoon, with high temperature and high humidity, concentrated rainfall, short cold period, long frost-free period, changeable humidity in spring, drought in summer and autumn, and less cold and snow in winter. Annual average total solar radiation 108 kcal/cm2, annual average sunshine 1629.2 hours, annual average temperature 17.6℃, extreme maximum temperature 39.8℃ and extreme minimum temperature -8.3℃.

Generally, when the temperature difference between day and night increases by 1℃, or the annual accumulated temperature increases by 500℃, or the annual sunshine hours increase by about 120 hours, the sugar content of fruits and vegetables will increase by 1% (the sugar content of fresh fruits and vegetables is generally only 10% ~ 20% at most). This is why the sugar content of rock candy oranges is generally higher than that of oranges 1/5 or more.

The difference between sugar orange and Gannan navel orange

1, the sugar orange is flat, but the navel orange is round. The former is somewhat uneven on the car body, while the latter is just the opposite and shiny.

2. The taste of sugar orange is very sweet, and there are many varieties of navel oranges with different tastes, sour and sweet.

3. The skin of sugar orange is thin, and the skin of navel orange is thick.

Sugar orange and navel orange belong to the same kind of orange, but only from the appearance, they are easy to distinguish.