Nian Orange, also known as Xiao Ye Orange. For viewing, it is usually sour. The orange tree is an evergreen shrub, with vigorous plant growth, round crown, upright and dense branches, thick hair tips, 3-4 new shoots every year and oval leaves. Flowers are small and white, and there are many flowers and fruits. Generally, grafted seedlings are put into production in the third year after planting, and the yield per plant is 7.5- 10 kg and 4 years 15-25 kg. In the fifth year, the high yield per plant can reach 40-60 kg, and the high yield can reach 100- 150 kg, and the average yield per mu in large-scale production is 3000-.

The annual weight of orange single fruit is 50-60g, the soluble solids 12- 14%, and the acid content is 0.7-0.9%, which is a good gift for people to seize the opportunity on holidays. Nianju is a subtropical evergreen fruit variety, which likes warmth and humidity, is afraid of cold, has strong shade tolerance, strong stress resistance and tolerance to extensive cultivation. Fruit trees have a life span of more than 20 years, early fruiting and high yield. The maturity period is1-February, which coincides with the Spring Festival, hence the name "Nianju", also known as "Daji". On New Year's Eve, people put a pair of oranges on the bedside and desktop, which means "good luck" and is a necessary fruit for the festival. In 2008, the orange fruit was beautiful in appearance, golden in color, bright and delicious, and unique in flavor. The pulp is rich in vitamin C, citric acid and sugar. For people who drink too much or stay up late, fresh fruit has the functions of resolving phlegm, relieving cough, clearing away heart fire, moistening lung, beauty beauty, promoting digestion and refreshing. Pericarp can be made into tangerine peel, which has medicinal value. It can also be processed into canned food, fruit juice, jam, orange cake and other products.