Citrus autumn anti-split fruit
Reasonable irrigation can regulate the moisture in the soil, and it can also effectively prevent cracking. When constructing a garden, the soil type selected is the best for sandy soil. If the construction of the ditches selected for the construction of the park is not perfect and cannot be drained in time, it should be improved before the construction of the park, not only to improve the water retention capacity in the soil, but also to ensure the performance of the drainage. If the orchard is subjected to a long period of drought, it should be watered every few days, and the method of deep ditching can be adopted, or mechanical sprinkling can be adopted, etc., which can reduce the rate of fruit cracking. When the citrus fruit enters the mature stage, it is necessary to ensure a balanced supply of water. It is not possible to water the water in one time to prevent a large change in the moisture content in the soil, and to ensure that the growth of the citrus peel and the pulp is consistent.
Scientific fertilization can cause cracking of citrus. For example, when citrus is grown, the content of zinc, manganese, phosphorus and other elements is insufficient, and the phenomenon of cracking is easy to occur; the lack or excess of nitrogen, magnesium, potassium and boron will increase the occurrence of cracking. Probability, such as citrus in the later stages of growth, if magnesium deficiency or excessive application of nitrogen, potassium, boron, resulting in more cracking. Therefore, it is necessary to adopt a scientific fertilization method and appropriately increase the amount of organic fertilizer. Potassium fertilizer is beneficial to the development of the peel, which can increase the thickness of the peel, improve its crack resistance and reduce the probability of cracking. Therefore, it is necessary to apply potassium fertilizer in combination with the nutrient in the soil.
Cross-pollination, bagging method If the type of citrus fruit cracking belongs to internal fissure, cross-pollination can be adopted to ensure the normal development of the seed. The disadvantage of this method is that the number of seeds produced is large, which is not conducive to the improvement of fruit quality. The bagging technique can have a certain inhibitory effect on the metabolism of the citrus cell wall, and ensure the stable development of the peel. And for some fruits that are about to be split, bagging can prevent moisture from entering and ensure the normal development of the fruit to avoid cracking.
Rooting and ring cutting treatment is carried out to strengthen the pruning of the tree. The main branch of citrus is subjected to ring cutting treatment, which can reduce the nutrient content transported to the roots, weaken the growth of the root system, and thus significantly reduce the transpiration speed of the tree. In the absence of it, it has a certain effect on preventing cracking. Roots are usually carried out just before heavy rain or a large amount of water, which can reduce the probability of cracking. It is important to remember that rooting and ring cutting must be moderate, and the control of root growth should not exceed a certain range, so as not to affect the restoration of tree potential as soon as possible, which is not conducive to late fruit development.
Moderate pruning should be timely trimmed on the citrus tree in order to avoid too much canopy closure in the forest, resulting in insufficient light. Fruits with excessive density, weak growth, poor quality and deformed forests should be removed in time to avoid excessive consumption of nutrients in the tree and ensure sufficient nutrient for fruit development, which can significantly reduce the probability of fruit cracking. If the number of fruits retained on the citrus tree is too large, it is not conducive to the development of the fruit, which will increase the proportion of cracked fruit and reduce economic benefits.
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