Autumn fruit tree fertilization points
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Fruit base fertilizer is generally divided into autumn, winter and spring planting, that is, from the fruit harvest to the spring before the spring of this time. Practice has proved that the application of basal fertilizer to fruit trees is best for autumn, especially for deciduous fruit trees. This is because the higher temperature in the autumn and the strong microbial activity in the soil are conducive to the decomposition of fertilizers and the absorption of nutrients by the fruit trees, thereby synthesizing more organic nutrients, which will have a good effect on germination, larvae, and fruit setting in the coming spring. At the same time, it can also enhance the cold resistance of the tree and help the fruit trees to safely pass winter. The following points should be mastered during the fertilization in autumn: The main fertilizers are organic fertilizers and slow-acting fertilizers, such as manure, soil miscellaneous fertilizers, cake fertilizers, and plant ash. Appropriate application of available nitrogen fertilizers, phosphate fertilizers, and potash fertilizers should be used. More than 90% of the total fertilization. The amount of fertilizer used should be based on the size of the fruit tree, nutritional status, and the number of fruits, 35 to 50 kg of organic fertilizer, 1 to 1.5 kg of superphosphate, and 0.4 to 0.5 kg of urea. The method is combined with orchard ploughing with radial furrows or annular furrows, with a depth of 40 to 50 cm. To apple trees and pear trees, apply a little deeper, apply a little lighter to peaches and vines, and cover with soil after fertilization. After watering and fertilizing, pouring 1 to 2 times of permeable water will not only make the fertilizer have sufficient moisture to rot and ferment and decompose, but also make the fruit trees not dry during the autumn season. After watering, crop stalks and weeds can be used to cover the soil.