Efficacy and function of sweet orange Citrus has strong adaptability to soil climate. It is planted all over the south. The fruit is oblate, orange, shiny and easy to peel. Juice is rich. Good quality. Fruit contains citric acid, limonene and glucose. Vitamin C orange peel has the functions of relieving cough, invigorating stomach and resolving phlegm. The orange pit is detumescence and pain-relieving. Treat hernia.

First, the choice of gardens. Garden should choose deep soil. Good drainage. Rich in organic matter. Fertile land with loose soil.

Second, planting density and planting technology. It can be planted in summer when the shoots stop growing until the spring of Dai. In order to obtain early high yield, close planting can be used, and the planting density can be determined according to the topographic management level. The distance between the seven permanent intraoperative ridges is 2m× 3m. Or three meters by four meters. Plant 1 10 or 55 plants per mu. Close planting is suitable for trenching. The depth of each ditch or pit is 0.6 to 1 meter. Apply 25-50kg of high-quality farmyard manure and 65,438+0-2kg of phosphate fertilizer to each hole, with a depth of 30-50cm, and mix well with the soil. Roots should not be in direct contact with fertilizers, and joints should not be buried in soil. Pour the planting water thoroughly.

Third, water and fertilizer management. 1, check in time after planting. Water the soil in time when it is dry. Dead seedlings should be replanted in time. If the weather is dry, water it in time. In case of rain and waterlogging, drainage should be done in time. 2. After survival, young trees should be topdressing in time. Follow the principle of less times. Apply once before germination and once in early winter. Fertilize the fruiting trees three times a year, and apply quick-acting fertilizer once before the new branches sprout. The fruit expands once, mainly nitrogen, phosphorus and potassium, and high-quality farmyard manure is applied once after the fruit is picked.

Fourth, plastic trimming. Cut the branches less than 30 cm from the trunk, germinate, thin out the weak branches, dead branches, pests and diseases, and pick out the heart. When the summer shoots grow to about 30 cm, remove two or three buds at the top. It can promote branching and rapidly expand the crown, and the fruiting tree should also pay attention to renewing the fruiting branches, shortening or retracting.

5. Pest control. The main diseases and pests of citrus are liriomyza sativae. Starscream. Aphid, powdery mildew.

1, control liriomyza sativae. It mainly harms summer shoots and autumn shoots. Use pyrethroid insecticides. Spray once every ten days or so. Spray three times in a row.

2, Starscream. Starscream will appear all year round. Control with fenvalerate and Guo Sheng.

3. Aphids are controlled by imidacloprid and acetamiprid.

4. Powdery mildew. Use thiophanate-methyl and triadimefon for prevention and control, and do a good job in clearing the garden in winter. Eliminate the source of overwintering pests and diseases. Strengthen cultivation management. Enhance disease resistance. Enhance the ability to adapt.

There is an old saying in the countryside that "one orange and ten medicines". What are the functions and functions of oranges? The nutritional value of oranges is very high, and its carotene content is second only to apricots and much higher than other fruits. In particular, vitamin C is particularly rich. It is understood that an orange can basically meet a person's daily demand for vitamin C. In addition, eating oranges regularly can also reduce blood lipids and prevent atherosclerosis and cardiovascular diseases, especially the "nomilin" contained in oranges.

The white net on the petals of orange, that is, the white reticular meridians, is generally called the orange net, but it is actually the vascular bundle in the orange fruit. To put it bluntly, pipes provide water and nutrition for orange fruits. It is precisely because of these orange nets that oranges can continuously accumulate nutrients such as water and sugar, and also create a sweet and sour taste! Generally speaking, because these orange collaterals are rich in cellulose and vitamin P, they can dredge collaterals, eliminate phlegm and promote blood circulation, and prevent hypertension, so try not to remove them when eating oranges!

For orange peel, it can be divided into two types: one is immature orange with green peel, also called green peel, which has a good medicinal effect, and can soothe the liver and regulate qi, eliminate phlegm and dissipate stagnation, such as treating fullness in the chest, fullness in the stomach, hernia, indigestion, breast swelling and other symptoms, and its effect is better than that of mature orange peel! The second kind refers to the mature orange peel, which is our common dried tangerine peel. It is a commonly used Chinese medicine for regulating qi. In addition, dried tangerine peel can also strengthen the spleen, eliminate phlegm, relieve cough and lower blood pressure. We usually dry the orange peel after eating it, then soak it in water or put some essence in stewed fish! On the other hand, orange peel can also be used in beauty beauty to moisturize the skin, and can be used to boil water to wash your face or soak your feet!