The fruit base fertilizer is generally divided into autumn, winter and spring, which is the time from the harvest of the fruit to the spring before the next spring. Practice has proved that the effect of autumn application is best, especially for deciduous fruit trees. This is because the temperature in autumn is high and the soil microbial activity is strong, which is beneficial to the decomposition of fertilizer and the absorption of nutrients by fruit trees, thereby enhancing the function of leaves and synthesizing organic nutrients. It has a good effect on spring germination, shoots and fruit setting in the coming year. At the same time, it can also enhance the cold resistance of the tree, which is conducive to safe wintering. However, the following points should be mastered when fertilizing in autumn.
The fertilizer is mainly composed of organic fertilizer and delayed fertilizer, such as glutinous fertilizer, soil fertilizer, cake fertilizer, grass ash, etc., and appropriate application of available nitrogen, phosphorus and potassium fertilizer. The application rate of organic fertilizer should account for more than 90% of the total annual fertilization.
The amount of fertilizer applied should be based on the size of the fruit tree, the nutritional status, and the number of fruits. Each plant applies 35-50 kg of organic fertilizer, 1-1.5 kg of superphosphate, and 0.4-0.5 kg of urea.
The method is combined with orchard ploughing, using radial ditch or annular ditch casting. The depth of fertilization is 40-50 cm. The apples and pear trees are applied slightly deeper, and the peaches and vines are applied slightly shallower. After fertilization, cover the soil.
After watering and fertilizing, pouring 1-2 times of water, can make the fertilizer have sufficient water to quickly rot and ferment and decompose, and make the fruit trees not dry in the autumn season. After watering, it can also be covered with crop straw, weeds, etc.
The fertilizer is mainly composed of organic fertilizer and delayed fertilizer, such as glutinous fertilizer, soil fertilizer, cake fertilizer, grass ash, etc., and appropriate application of available nitrogen, phosphorus and potassium fertilizer. The application rate of organic fertilizer should account for more than 90% of the total annual fertilization.
The amount of fertilizer applied should be based on the size of the fruit tree, the nutritional status, and the number of fruits. Each plant applies 35-50 kg of organic fertilizer, 1-1.5 kg of superphosphate, and 0.4-0.5 kg of urea.
The method is combined with orchard ploughing, using radial ditch or annular ditch casting. The depth of fertilization is 40-50 cm. The apples and pear trees are applied slightly deeper, and the peaches and vines are applied slightly shallower. After fertilization, cover the soil.
After watering and fertilizing, pouring 1-2 times of water, can make the fertilizer have sufficient water to quickly rot and ferment and decompose, and make the fruit trees not dry in the autumn season. After watering, it can also be covered with crop straw, weeds, etc.
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