Persimmons in the stone mill need to be cooled.

Mopan persimmon can tolerate the low temperature of -2 1℃ in winter, and the freezing injury begins at -22℃, which is higher than 12℃. The growth of branches and leaves should be above 65438 02.8℃; The flowering temperature should be above 65438 08℃; The fruit development period needs 2 1 ~ 26℃, and if it exceeds 30℃, the fruit quality will be affected (the surface of the fruit is thick and the taste is light). Mopan persimmon is a specialty of Guanzhuang Town, Jixian County, Tianjin, and a symbolic product of chinese national geography.