What is the difference between black dates and red dates? Explain the planting technology in detail!

Black jujube, also known as wild persimmon and soft jujube, is a common kind of jujube in the north, which is deeply loved by people because of its sweet taste and high nutritional value. at present, it is an ideal health product for the middle-aged and the elderly. what is the difference between black jujube and red jujube? What are the planting techniques?

First, introduction of black jujube:

1. Where does black jujube come from?

Black jujube is produced in Liaoning, Hebei, Henan, Shanxi, Shaanxi, Hunan, Hubei, Guangdong, Guangxi and other places, mostly from the northern region.

2. How is black jujube processed?

Black jujube is the fresh jujube first boiled in cottonseed oil and pine rock water, and then baked with fireworks, is the dried products of fresh jujube, generally taste sweet.

What's the difference between black jujube and red jujube?

Distinction one, different families and genera: black jujube is persimmon, persimmon family, persimmon plants, belongs to persimmon; red jujube is rhamnaceae, rhamnaceae, jujube plants, belongs to jujube.

Second, the appearance is different: the black jujube plant is 5 to 10 meters high, the bark is dark brown, the long leaves are oval to oblong, the flowers are yellowish or light red, the fruit is spherical, blue-black when ripe, and there is a layer of white wax on the surface. It usually blossoms in May and bears fruit from October to November. The red jujube plant is more than 10 meters high, the bark is brown or grayish brown, the long leaves are oval, the long flowers are yellowish green, the fruit is rectangular or long oval, red when mature, slowly becomes reddish purple, and the seeds inside are flat oval.

Third, the origin is different: black jujube is mainly produced in Liaoning, Hebei, Henan, Shanxi, Shaanxi, Hunan, Hubei, Guangdong, Guangxi and other places, mostly from the northern region. Red dates are produced in Jilin, Liaoning, Xinjiang, Gansu, Anhui, Shaanxi, Shandong, Shanxi, Hebei, Henan, Zhejiang, Jiangsu, Fujian, Guangdong, Guangxi, Hunan, Hubei, Guizhou, Yunnan, Sichuan and other places. Generally, it is most planted in mountains and hills at an altitude of 1700 meters.

Difference 4, nutritional value and efficacy are different: black jujube is rich in pectin, dietary fiber, organic acid, vitamin B, vitamin E, calcium, phosphorus, iron and other elements, which can effectively nourish spleen and stomach, beauty, diuresis and detoxification, etc. Red jujube is rich in protein, organic acid, vitamin A, vitamin C, calcium and amino acids, which can effectively nourish blood, tonify qi and blood, etc.

Distinction 5, the scope of use is different: black jujube is cold, generally people with weak spleen and stomach should not eat too much, but it is suitable for people with indigestion, constipation and accumulated food; red dates can be eaten by almost everyone, especially the elderly and pregnant women who eat tonifying the body and regulating qi and blood. It is very suitable for people who recover from a serious illness.

Third, what are the planting techniques of black jujube?

1. Land selection and preparation: which land is suitable for planting?

Black jujube is suitable to grow in a semi-shady and semi-cool environment with fertile soil, moderate pH and sufficient water, so when selecting land, we can choose semi-shady and semi-cool loam for planting. After selecting the land, turn the soil deeply, apply enough base fertilizer, and then flatten it for later planting.

2. Sowing and raising seedlings: how to sow seeds?

(1) seed selection: remove the residual pulp and impurities from the seeds, and then choose some seeds with a full appearance and strong growth.

(2) sowing method: black jujube can use seed sowing and grafting propagation, among which seed sowing is the most common method in daily life.

(3) sowing time: sowing from November to December is the best.

(4) sowing method: stir the cleaned seeds and wet sand evenly, then store them for a period of time and let them germinate freely. in November, take out the seeds and spread them evenly into the soil, then spread a layer of thin soil and pour some water.

3. Transplanting: when is a good time to transplant?

(1) transplanting time: when the seedlings grew to about 20cm.

(2) transplanting method: dig a cave with deep 10cm and wide 8cm according to the distance of 1.5m between plants and 2m between rows, then transplant the seedlings into the cave, and finally cover the soil and step on it.

4. Field management technology: how to manage it?

(1) moisture requirements: ensure that the humidity in the garden is about 50% at the seedling stage, and then pour some water a week after emergence, so that it can quickly adapt to the environment.

(2) Fertilizer requirements: at the seedling stage, some fertilizers should be added appropriately, and more fertilizers should be applied at the flowering and fruiting stage, and the amount of fertilizer should be determined according to the soil fertility in the rest of the time.

(3) pruning and shaping: after planting, it is necessary to prune the seedlings when they reach about 50cm. In general, it is best to prune the seedlings about 6 times a year in order to ensure the air permeability between the gardens and promote flowering and fruiting.

(4) keep the garden clean at all times: every spring and after fruit harvest, the weeds and branches in the garden should be removed in time to reduce the occurrence of diseases.

The above is a detailed introduction of the differences and planting techniques between black jujube and red jujube. I hope it will be helpful to you.