Artificial coloring of apples has the advantages of less labor, simple method, and improved fruit grade. The specific coloring method is: choose a spacious, airy, flat place, spread 3~3.5 cm thick sand, and the sand surface should be flat. The uncolored apple fruit is topped up, the fruit stalk is downward, and the gap between the fruits is left. The single layer is arranged on the sand. Every morning and evening, a clean spray is used to spray the water to the fruit surface. After sunrise (7-8 am) Cover with a pouch or grasshopper to avoid sun exposure and prevent daily burns. Uncovering before sunset, the fruit surface is exposed to dew at night, increasing the temperature difference between day and night. In order to reduce the friction on the fruit surface when covering, it can be framed, height 35 cm, top cover pouch or grasshopper. Generally, coloring is successful after 5-7 days.

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