Method for preventing fruit browning

The invention discloses a method for preventing fruit browning. The method specifically comprises the following steps: (1) determining the use time and the application amount of a selenium-rich organic fertilizer; furrows are formed in the east direction, the west direction, the south direction and the north direction at the position 60 cm away from the trunk of the fruit tree, the width and the depth are both 15-20 cm, and the length is 60 cm; (3) fertilization: uniformly spreading a selenium-rich organic fertilizer in the annular ditch, and then backfilling the soil; (4) soil, fertilizer and water management according to normal management of the orchard. The organic fertilizer with selenium as the core is applied to the fruit trees in the cultivation process, the problem of browning of the fresh-cut fruits can be effectively solved, the fruit quality is improved, and meanwhile the content of the trace element selenium essential to the human body in the fruits is increased; the problem that fruits are prone