How long does it take to cook chestnuts in the oven?

In the first oven baking mode, the tube is placed up and down at 200 degrees and the setting time is 20 minutes. In the second oven baking mode, the temperature is 180 degrees and the setting time is 10 minutes.

Chestnut, also known as chestnut, chestnut and so on. , an economic plant of Castanea in Fagaceae, originated in China and was one of the earliest fruit trees domesticated and utilized in China. Chestnut cultivation has a history of more than 3000 years, which is widely distributed and rich in germplasm resources. In China, chestnuts are produced in Heilongjiang, Inner Mongolia, Ningxia, Qinghai, Xinjiang, Tibet, Shanghai and Hainan. The distribution of Castanea in China has obvious regional characteristics, and the distribution quantity decreases from south to north. With the Qinling Mountains and Huaihe River as the boundary, it can be divided into two obvious natural areas, namely, the south and the north.

Chestnut is planted in a wide range, starting from Fengcheng, Liaoning, at 40 26' north latitude and reaching Hainan Island in the south (about18 30' north latitude). It starts at about 90 east longitude in the west and reaches the coast in the east (about 124 east longitude), including 24 provinces (autonomous regions and municipalities directly under the central government). Outside this range, there is also a small distribution in the border area between southeastern Tibet and Yunnan, and artificial introduction and cultivation have been extended to Ningcheng, Inner Mongolia and Boli, Heilongjiang (45 40' north latitude). The cultivation range of chestnut spans four climatic zones: tropical marginal zone, subtropical zone, warm temperate zone and middle temperate zone, which is suitable for complex soil conditions. The most cultivated areas are the North China and Yangtze River basins in the Yellow River basin.

The vertical distribution range of chestnut is also very large, with an altitude difference of about 2770m, and the lowest is the alluvial plain with an altitude of about 30m in Tancheng, Shandong, Xinyi, Jiangsu and Shuyang. The highest is Weixi, which is 2800m above sea level. According to regional differences, its varieties are mainly divided into six categories.