Fertilization of fruit trees should be carried out according to the age of the trees, the species of the trees, and the growth conditions.
For young fruit trees, because the root system is not well developed, in order to avoid damage to the young roots, the annular fertilization method is generally adopted at the root according to the size of the canopy. For adult fruit trees, lyrical orchards can be used for deep wells or with acupoints. However, the large tree should be applied 0.8 m from the dense roots to induce the new root to extend outward.
Different tree species, growth and soil fertility require different amounts of fertilizer. The fruit trees with long tree length and high yield have a larger output, and the application amount of base fertilizer is larger. Orchards with poor soil quality and low fertility require large amounts of fertilizer and should be applied more. Young trees and fertile orchards should be relatively small. But no matter what kind of fruit trees, the base fertilizer should be based on organic fertilizer, such as adult grapes, 2000 kg of fruit per mu, should be applied 4000 kg of high-quality livestock fertilizer. Adult pear trees can be used for 40-50 kg of decomposed ash and slag, 1 kg of phosphate fertilizer, 0.5 kg of potassium fertilizer or 1 kg of compound fertilizer. At the same time, we must also pay attention to the proportion of fertilization, such as peach trees, each production of 100 kg of fruit should be applied 0.5 kg of nitrogen fertilizer, 0.3 kg of phosphate fertilizer, 0.2 kg of potassium fertilizer. Where the soil is poor, it is also necessary to apply multi-component trace elements.
For the orchard with insufficient sensation, the trunk can be applied with organic active liquid fertilizer. For example, 250 ml of water solution of Huimanfeng or Zhuangfuxing active liquid fertilizer can be used for 30 times of water, and 50-100 cm at the base of the trunk can be used to penetrate the bark quickly. Absorbed by fruit trees.
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