1. Regulating the tree Regulating the tree is the most fundamental fruit-preserving measure. Regardless of the fruit-preserving technology, if the tree is too weak or too strong, it is difficult to achieve the desired fruit-saving effect. 2, twisted branches, pull branches, struts or hanging branches. Twisting is to grasp the lower part of the branch with two hands, twist 120-270 degrees in the opposite direction, or bend the base of the branch to make a slight break, but can not twist the branches. Pulling branches is to use ropes to flatten the vigorous, upright branches, or to pull them down slightly. 3, ring cutting or ring stripping Ring cutting and ring stripping is a simple and easy-to-use fruit-preserving technology that has a long history of application in citrus production. The appropriate period of ring cutting or ring stripping is the initial flowering period. Ring cutting is to cut 2 to 3 turns in the main branch or big branch with a sharp knife, and the depth can be cut into the xylem (that is, the wood part) by knife. 4, erase part of the spring shoots When the citrus spring shoots sprout, wipe some of the spring shoots to reduce the consumption of nutrients in spring shoot growth, and have a better fruit-preserving effect, especially for the weaker trees, the fruit-preserving effect is obvious. 5, pharmacy benefits Pharmacy preservation is currently the most effective fruit-preserving technology. After several decades of trial and error of hundreds of pesticides at home and abroad, it has been proved that gibberellins and cytokinins have the best effect on the prevention and control of citrus fruit. 6, foliar fertilizer and other preparations In the flowering and young fruit period of citrus, the sprayed foliar fertilizer or the mixture of fertilizer and medicament has a certain effect on the fruit preservation of citrus. There are many kinds of such fruit-protecting agents on the market, and the effects are different. How to determine the amount of citrus tree fruit? It is a scientific and reasonable method to determine the amount of fruit preserved by the planting capacity of the tree. Simply put, it is: "Strong trees have more results, weak trees have fewer results." The result of strong trees is that the strong branches are leafy, the photosynthesis is strong, and the nutrients produced are many, which can provide nutrients for the growth and development of more fruits, and it has many fruitful results. The carrying capacity of the tree is mainly determined by indicators such as the size of the canopy, the strength of the tree, the color of the leaves, and the number of leaves. The first thing to protect the flowers is to keep the leaves? What proportion of branches, leaves, flowers and fruits should be maintained in normal and high-yield citrus trees? The nutrients required for citrus growth are called organic nutrients. This nutrient is the nutrient nutrients (inorganic nutrients) and water absorbed from the roots and the carbon dioxide absorbed from the leaves by the air. And made. The leaves are like a plant for making nutrients from citrus. Without leaves, citrus cannot grow, bloom and produce results. According to research, citrus needs about 20-60 pieces (different varieties) for each fruit to grow nutrients, and grapefruit needs more leaves. The large fruit-shaped sweet orange and Wenzhou mandarin orange have about 3-4 fruits per catty. If the result of each plant is 100 kg, there will be 300-400 fruits, and the leaves need 1-1.5 million pieces, according to the average result of each branch 1-2. There are 200-300 roots of the result. The small fruit-shaped Nanfeng tangerine and vermilion orange, the result of 100 kg need to have 1000 fruits, 20,000 leaves, resulting in 400 mother branches. Disclaimer: Some articles on this website are transferred from the Internet. If legal rights of third parties are involved, please inform this website. phone
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