The latest course of fertilization techniques and methods for Orange trees
Orange is one of our common fruits, it is a hybrid variety of grapefruit and orange, after long-term cultivation, it has many varieties and is more popular in the market. If you want the orange tree to bear more fruit and increase its yield, its fertilization technology is very important, so how to apply fertilizer to the orange tree? Let's take a look.
1. Apply sufficient base fertilizer
Orange is a deep-rooted plant, and its root system is more developed, so in order to promote its root system to develop and meet its needs during the whole growing period, it is necessary to combine ploughing and applying base fertilizer before planting. Generally, 3000-4000 kg of mature organic fertilizer is applied per mu, which will be buried in the soil when ploughing, and should be turned deeply when ploughing, so as not to bury the fertilizer too shallow, resulting in the upward extension of the root system, which is disadvantageous to the growth of the plant.
2. Topdressing of young trees
In the young tree stage, the main purpose is to promote the growth of seedlings, cultivate solid branches and skeleton branches, accelerate the formation of tree crown, and lay the foundation for early fruit. Therefore, fertilization in the young tree stage is generally based on nitrogen fertilizer, with an appropriate amount of phosphorus and potassium fertilizer, the application of nitrogen fertilizer is mainly in spring, summer and autumn. Generally, about 350-600 grams of urea are applied to each seedling, and the amount of fertilizer is increased year by year with the increase of tree age, in which the summer shoot is the most exuberant period of the plant, which should be re-applied.
3. Fertilization for adult trees
After the orange tree enters the fruiting stage, the purpose is to continue to expand the crown and obtain high yield. at this time, fertilization is to regulate the balance of vegetative growth and reproductive growth. Therefore, factors such as soil, climate, tree potential and yield should be taken into account when applying fertilization. generally, flowering is the most important thing for the growth and development of oranges. The quality of flowers not only affects the yield of the current year, but also has a certain impact on the annual yield of oranges. Therefore, at this time, the main application of quick-acting chemical fertilizer, with organic fertilizer, fertilization time is from February to March, accounting for about 30% of the total fertilization in the whole year. Topdressing 2-3 times in the fruit period to ensure that the fruit has enough nutrients to grow, in July-August, the application of quick-acting chemical fertilizer, combined with organic fertilizer, accounting for about 35% of the total fertilization in the whole year.
4. Extra-root fertilization
Extra-root topdressing, also known as foliar fertilization, can quickly provide nutrients for plants, usually using a mixture of different fertilizers to meet the comprehensive requirements of nutrient elements for orange growth. Generally speaking, urea, superphosphoric acid, calcium potassium sulfate and other mixed solutions are sprayed, which can not only increase the yield but also improve the quality of the fruit.
The above is the introduction of fertilization technology of orange tree. I hope it can help you. If you want to know more about it, please follow us.
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