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Dates are not fully ripe, and it is also possible that organic fertilizers have not been applied during the growing season. Jujube is not sweet when it is not fully ripe, unreasonable fertilization, untimely pest control and control, insufficient sunlight, rainy weather, and poor variety quality all affect the sweetness of jujube fruit.
Fertilizer is unreasonable, a large amount of chemical fertilizer is applied, one is the weather. The second is the reason for the variety. The third is the reason for fertilization. The main reason is that the organic fertilizer is applied less, the fertilizer is applied excessively, the picking is too early, and the flavor has not yet formed.
How to choose dates, when choosing dates, the first thing to look at is the color of the dates, if a bunch of dates are placed there, there are white, yellow, red, and cyan. First of all, cyan dates can be excluded, cyan dates are generally not very sweet, the kind of white dates are generally very sweet, if there is no white, then buy yellow, red is not easy to say, it depends on the weight of the dates, if it is light, there must be no moisture in it, it is definitely not sweet, if you feel that it is very heavy in your hand, the water in the general dates is still quite a lot, it should be sweet.
Big green jujubes. The nutrition is not particularly different from ordinary jujubes. Vitamin C per 100 grams of jujubes
The content is between 75 mg and 150 mg, which is lower than those dates with high vitamin C content.
Daqing jujube is rich in fructose.
The content of fiber, especially vitamin C, is 5 times that of watermelon and pear.
9 times and 20 times that of apples, which can be called vitamin C fruit. It has the functions of promoting blood circulation, anti-oxidation, and enhancing human immunity.
Generally, pear dates and bell dates cannot mature until mid-September, and winter dates can not mature until early October.
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To improve the sweetness, you can use more organic fertilizers such as animal manure, which must be fermented and composted to make it fully ripe before fertilization, and then fertilized from the roots of the jujube tree with a ring of about 1 meter, or spot fertilizer. Dig a trench or pit 25 to 30 cm deep, add organic fertilizer, cover with soil and you're good to go. Too much watering is a drought-tolerant and barren crop of jujube trees, so there is no need to water too much, the soil moisture is high for a long time, and the jujube is not sweet and not delicious.
If there are climatic reasons (e.g. frequent rainfall, excessive soil moisture, or no means), drainage ditches can be dug manually to allow rainwater to drain through the drainage ditches. Reduce the adverse effects of rain. The photosynthesis of jujube leaves is not high, and the photosynthesis is not high, which will affect the synthesis and accumulation of nutrients, and the dry matter accumulation of jujube will affect the sweetness and taste.
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Germplasm determines quality. It may be caused by the bad variety of jujube trees.
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The taste of home-grown dates is not good, which may be related to the variety of the tree and the local climate. In addition, the most important climate, normally speaking, jujube trees are more suitable for growing in the north, and the reason for the climate is that the jujube in the north is big and sweet. The jujubes grown in the south are relatively small, the flesh is relatively stiff, and the sweetness is also very low.
Therefore, it is normal for the jujube trees planted by yourself to have a bad taste of jujubes.
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If the dates are not sweet in the first place, it is because the dates themselves lack water, I think it is necessary to water the dates in time, and secondly, the fertilizers used are unreasonable, the dates trees need to use organic fertilizers, and cannot use fertilizers containing nitrogen, so the dates do not grow well.
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It may be because the pollution of the environment is too serious, so that the dates are not very sweet, or it may be because of the lack of moisture, as well as environmental reasons, so it is not good to pick up these dates.
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Jujube trees are planted in many areas of our country, but they basically do not plant jujube trees at home, because the light at home is not sufficient, and the ventilation environment is not good, which will have an impact on the growth of jujube trees. Growing jujube trees at home in the countryside yields unsweet jujubes, and based on my years of planting experience, I think it should have something to do with the following four reasons.
Jujube trees generally mature around July and August of each year's lunar calendar, and the varieties of jujube are different, and the chances of maturity are also different. For example, the chicken gizzard jujube planted in our village generally matures in mid to late July, and the pear jujube planted can mature about ten days earlier. Naturally, when the dates are not yet ripe, they are not sweet to eat, and they are very creamy, and the taste is not very good, and when they are ripe, they will be too crisp and sweet!
There are many varieties of jujube trees, and the general jujube is all extra sweet when ripe. But there is a kind of pear jujube planted in our village, which is very tall, and it is this very soft and not sweet feeling when you eat it. Then some people want to ask, even if it is not delicious, why do you want to grow this pear date?
In fact, this kind of jujube is the first to be the first every year, and the price is very cost-effective, about 5 dimes per catty. **The commercial harvest is mainly used for production and processing, and the final production is also the kind of very sweet jujube!
Excessive drought has great harm to the growth and development of jujube trees. The arid climate will not only make the jujube tree lack a lot of water in the body, resulting in the imbalance of jujube metabolism, the reduction of photosynthesis and nutrients of jujube plants, and will also harm the soil layer to provide trace elements for jujube trees, and the final conclusion is that jujube trees lack vitamin A, resulting in unsweet and waterless fruits of jujubes!
The growers who plant jujube trees in people's villages have a saying called "nitrogen leaves, phosphorus stalks, and potassium fruits", in other words, to plant jujube trees, these three are indispensable, and fertilizer must be effective. Potash fertilizer is called "fruit fertilizer", because zinc can bloom large flowers and bones, promote the respiration of trees and the metabolism of sugar, can improve the drought-tolerant, cold-resistant, disease-resistant working ability of trees, can also improve the sugar content of dates, improve the taste, so the lack of zinc will not be sweet dates.
To sum up, it is a little work experience accumulated by individuals in planting jujube trees for many years. Self-summary, planting jujube trees in the countryside by yourself, you must take enough time from the selection of the language garden eight, the selection of varieties, planting technology and management mechanism! During the management method, fertilizer and water and organic fertilizer must be effectively matched.
Nitrogen, phosphorus, potassium must be effectively matched, no matter which kind of organic fertilizer is applied partially, it will cause an imbalance in the nutrient composition of the jujube tree, which will lead to flowers but not fruit, or flowers falling off fruits and other serious conditions.
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This is because there is too little chemical fertilizer added, not enough nutrients, and too little water, so the dates are not sweet enough, and the reason for this phenomenon is that the farm fertilizer is not enough.
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This is because of the weather. Bad weather will cause it to absorb nutrients from the fruit, which will cause the fruit to become soft.
Meteorological factors such as temperature, humidity, precipitation, light, and strong wind directly affect the flowering and pollination of jujube trees.
When there is low temperature and rainy weather, due to insufficient light, a large number of flowers will fall on the jujube tree; When there is strong wind and dust weather during pollination, jujube flowers cannot be pollinated normally, and fruit setting is affected. When there is a dry weather with little rain, due to the humidity of the air.
Smaller, will appear"Scorched flowers"The pollination of jujube flowers is restricted, and the fruit setting rate will decrease significantly.
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After the jujube tree bears fruit, the jujube is soft before it matures, mainly due to the lack of water and fertilizer, and it can be properly fertilized and watered, so that the jujube can grow and mature normally.
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For kidney deficiency, add a bag of 50kg urea to supplement.
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After the jujube tree bears fruit, the jujube is not yet ripe, and it grows soft, and there are two main possibilities. The first is the drought of the jujube tree, and the lack of fertilizer supplementation, or the poor soil, etc., will lead to the above undesirable conditions, the second, may be caused by a fungal infection, or encountered pests and diseases, for example, jujube tree leaf disease will cause the fruit to be soft and deteriorate before it is ripe, so it needs to be sprayed with relevant drugs**.
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Then, if you grow your own jujube trees in the countryside, the jujubes will not be sweet. Jujube trees generally mature around July-August of the lunar calendar every year, and the timing of ripening is different depending on the variety of jujube. For example, the chicken heart bezoars planted in our village generally mature in late July, and the pear bezoars planted can mature about half a month earlier.
Of course, when the dates are not ripe, they will not taste sweet, and they are very creamy, and the taste is very bad, and when they are ripe, they will be very crisp and sweet!
There are many varieties of jujube trees, and the average jujube is very sweet when ripe. But there is a kind of pear bezoar grown in our village, which is very big, and it tastes like it is very soft and not sweet. Then some people have to ask, since it is not delicious, why do you want to grow this pear date?
In fact, this kind of jujube is the earliest to be purchased every year, and it is very cheap, and the buyer collects it mainly for processing, and the last processed is the kind of very sweet date!
Excessive drought has a great impact on the growth and development of jujube trees. Dry weather will not only cause a large amount of water loss in the body of the jujube tree, resulting in the metabolic dysfunction of the jujube tree, the reduction of photosynthesis and nutrients of the jujube tree, but also affect the supply of trace elements to the jujube tree by the soil, and the final result is the lack of nutrients in the jujube tree, resulting in the fruit of the jujube tree is not sweet and has no water!
Fruit farmers who plant jujube trees in rural areas have a saying called "nitrogen leaves, phosphorus rods, and potassium fruits", which means that all three are indispensable to plant jujube trees, and fertilization must be reasonable. Potassium fertilizer is affectionately called "fruit fertilizer", because potassium can expand flower buds, promote the photosynthesis and carbohydrate metabolism and synthesis of trees, can improve the ability of the tree to resist drought, cold, diseases and pests, and can also improve the sugar content of jujubes and increase the taste, so if there is a lack of potassium, jujubes will not be sweet.
To plant jujube trees in the countryside, we must make great efforts from the selection of orchards, varieties, cultivation techniques and management models! Water fertilizer and organic fertilizer must be reasonably matched during the management period. Nitrogen, phosphorus, potassium must be reasonably matched, no matter what kind of chemical fertilizer will lead to the nutritional imbalance of jujube trees, and then cause flowers but not fruit, or falling flowers and fruits and other serious phenomena.
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Because the sunshine is not very strong, the fertilizer is not very fertile, and the water is not very sufficient, so it is not as sweet as the one we bought.
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It could be due to insufficient sunlight, seeds, problems with cultivation techniques, or lack of pesticides.
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Because their own dates have no additives, no sweeteners or anything, the dates they sell may be saccharin-soaked, or cyclamate or something.
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Summary. This question is up to me, it takes a little time to type, so please be patient.
Why aren't the dates in my jujube tree brittle?
This question is up to me, it takes a little time to type, so please be patient.
The varieties of dates are different.
Before the ripening period, pear dates and bell dates can not mature until mid-September, and winter dates can not mature until early October;
It may also be that the fertility is not enough, or it may be that it grows too much and the nutrients are not good, so draw the flowers when it blooms next year, and by the way, it should be useful to prune the useless branches with less fruit this year;
Or too much rain.
It's that the jujube is quite big, but the bran is not delicious, and if you want to find the reason, the name of the jujube tree is Jujube Crispy King.
That is, there may be too much water.
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For two consecutive years, most of my jujube trees have become unripe, and a small number of hard ones are not delicious.
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