Dangshan crisp pear has a long history of cultivation and is the first of the three traditional famous pears in China. It is famous at home and abroad for its sweet juice and the efficacy of moistening lung and relieving cough. Dangshan crisp pear has a history of thousands of years, and it was presented to the court as a tribute pear in ancient times. Dangshan crisp pear is not only crisp and refreshing, but also melts in the mouth, and its nutritional value and health preservation value are also extremely high. It is called "manna in fruit and sage in medicine".
Climatic characteristics
Anhui province belongs to the transitional area between warm temperate zone and subtropical zone in climate. The north of Huaihe River has a warm temperate semi-humid monsoon climate, and the south of Huaihe River has a sub-humid monsoon climate.
Its main characteristics are: the monsoon is obvious, the four seasons are distinct, the spring is warm and changeable, the summer rain is concentrated, the autumn is crisp and the winter is cold. Anhui is also located in the mid-latitude zone. With the alternation of monsoon, the seasonal variation of precipitation is obvious, which is one of the areas with obvious monsoon climate.
Spring and autumn are transitional periods from winter to summer and from summer to winter. The annual frost-free period is 200-250 days, and the active accumulated temperature of 10℃ is around 4600-5300℃. Annual average temperature 14- 17℃, June average temperature-1-4℃, July average temperature 28-29℃.
The average annual precipitation is 773- 1670 mm, which is characterized by more in the south and less in the north, more in the mountains and less in the plains and hills. Summer precipitation is abundant, accounting for 40%-60% of the annual precipitation.