Second, determine the amount of fertilizer according to different tree species and growth. Fruit trees that require large amounts of fertilizer and high yields should have a large amount of fertilizer. The orchards with poor soil quality and low fertility should be applied more. Young trees and fertile soil should be relatively small. However, regardless of the type of fruit trees, the base fertilizer should be based on organic fertilizer. For example, if the adult grape produces 2,000 kilograms of fruit per mu, 4000 kg of high-quality poultry fertilizer should be applied. Adult pear trees are 40-50 kg of ash and ash per plant, 1 kg of phosphate fertilizer and 1 kg of compound fertilizer. At the same time, we must also pay attention to the ratio of fertilization, such as peach trees, each application 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. The ratio of nitrogen, phosphorus and potassium fertilizer in citrus is 1:0.5:1. Where the soil is poor, it is also necessary to apply multi-component trace elements. Only in this way can scientific fertilization be achieved and economically effective.
Third, the disaster response, grab the fertilizer. For orchards with insufficient sensation, the tree can be fertilized with organic active liquid fertilizer. For example, 250 ml of Huimanfeng active liquid fertilizer can be used 30 times per acre, and painted at 50-100 cm at the base of the trunk, which can quickly penetrate the bark and be absorbed by the fruit trees. It can also be sprayed on the trunk branch with Huimanfeng 200-300 times before the fruit tree sprouts. One can exert the effect of composting, and the other can alleviate the drought. In addition, if you encounter the spring rain, you should grab the fertilizer in the orchard ground after the rain, and then plough the plough to bury it deeply, and also play the role of quick-acting fertilizer.
Huaxian Agricultural Technology Promotion Center Lu Shuguang
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