Jujube trees need good water and fertilizer

Jujube trees need to be poured with water for a year, depending on the weather. In a year of weathering, it may not be poured or poured. If it hits a dry year, it will require more water. In the course of a year's growth, the jujube tree generally needs to be poured with four waters in case of drought and rain. which is:

1, flowering water: jujube flowering and setting fruit not only need a certain temperature, but also need a certain degree of humidity, flowering watering can make flower buds increase, prolong the flowering period, promote the fertilized organs elongation and pollen grain germination. At the same time, the flowering period is the time when the jujube grows during the year. The demand for nutrients is the most concentrated. Therefore, if it encounters dry weather during the flowering period, it must be watered in a timely manner to prevent the high temperature and drought from causing the phenomenon of blooming. What needs to be emphasized here is that all varieties that require forced fruit setting measures (eg, girdling, ring cutting, hammering, etc.), such as Zhanhua winter date, mango date, etc., are best watered about 7 days before flowering. That is, watering before taking compulsory fruit-setting measures can make the tree body absorb enough nutrients so that the girdling and ring-cutting nutrients are stored in the branches and leaves, which is conducive to flowering and fruit setting.

2. The first water expansion: The first time the water should be combined with the jujube for the first time, the top dressing should be performed at the same time. The watering time should be poured before the physiological fruit drop period. The watering can not only quickly enlarge the fruit, It can also play an important role in reducing physiological fruit loss and sunburn prevention.

3, the second expansion of water: the second watering should also be combined with the second time the top of the jujube tree at the same time as well, the watering time should be carried out in the white fruit ripening period, when the watering can be the last expansion of fruit, Increasing the yield and increasing the sugar content of fruits will also greatly benefit the fruit surface, quality, and control of sunburn.

4, coloring water: jujube fruit coloring period watering, not only can reduce the high temperature wrinkle skin jujube phenomenon, but can also reduce the phenomenon of Yu Yu crack fruit, the jujube fruit taste, quality, storage, transportation, sales, etc. A certain influence.

In addition, jujube trees generally need to be applied four times in the growth of a year. which is:

1. Base fertilizer: Basal fertilizer is usually implemented after harvesting of jujube or before germination in the following year. On the whole, jujube harvesting is implemented as good, because at this time, the temperature is still high, and the photosynthetic and root absorption functions of the leaves are also strong. The tree can absorb and store large amounts of nutrients and play a role in flowering, fruit setting and high productivity in the coming year. For a certain role, it is recommended to use organic fertilizer as the main ingredient of the basal fertilizer, because the organic fertilizer can not only loosen the soil, retain water, and protect the roots from respiration and growth, but also the organic fertilizer contains various trace elements required for the growth of the jujube fruit. The production, quality and sugar content have a certain influence.

2. Foliar fertilizer: The foliar spray fertilizer is mainly based on amino acids, because the amino acids contain necessary trace elements such as calcium, boron, zinc, iron, etc., and the anthracnose, sunburn disease and jujube of jujube fruit. The yellow leaf disease of the tree has certain curative effect, and can increase the sugar content of the fruit and the thickness of the peel, which is favorable for storage and transportation.

3, the first time dressing: jujube fruit has two expansion period, the first top dressing should be in the first fruit enlargement period, that is, before the physiological fruiting period is implemented as good, this time mainly nitrogen fertilizer top dressing, because nitrogen fertilizer It can quickly enlarge the fruit, increase the yield, and can also play a role in reducing physiological fruit drop.

4, the second time dressing: the second dressing should be in the second fruiting period of jujube fruit, that is, jujube fruit just white mature period, this time topdressing with potassium fertilizer, because potassium can increase the fruit's sugar content, increase The brightness of the surface of the fruit can make the fruit mature earlier.

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