Fruit trees use the bottle-injection method, not only can fertilize, but also pest control effect is also very good. The method of operation is as follows: a hole is drilled on both sides of the trunk 20 cm upwards from the ground, deep enough to form a layer, and a glass bottle with a capacity of 60 ml is placed next to each hole (the bottle is used to store fertilizer or liquid). One end of the string is immersed in the bottle, and the other end is placed in a hole already made in the tree trunk. Then, the hole is gently covered with bark and wrapped in plastic film. In this way, the fertilizer solution or drug solution will be absorbed into the tree through the input line of the string, and transported to various parts, so as to increase the nutrient level of the tree or poison the insect. ?
Care should be taken when using this method: (1) This method is not suitable for fruit trees with too small trunks or heavy rot; (2) The size of the holes should be determined according to the thickness of the trunk; (3) It is best to grow trees during the fruit growing season. (4) The bottle-entrance method must be combined with other management measures in order to receive good results; (5) This method should be used with caution in rainy days.
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