Castanea castanea, deciduous tree plant, stems and branches are thicker, cylindrical; The surface is dark green, with fine longitudinal lines and small villi; The leaves are more curly, with a short stalk, the leaves are oval, the face is yellowish brown, the young leaves are fine hairs; Flowers are small, pale yellow, corolla is large, stigma yellow; Flowering period May to June; Fruit season July - August. [14] It was first found in the Book of Songs in ancient books, and it can be seen that the cultivation history of chestnut in China has been at least 2,500 years. [15]

Chestnut

is native to China, except Qinghai, Ningxia, Xinjiang, Hainan and other provinces and regions, widely spread in the north and south, often cultivated in low elevation of low mountains, hills, gentle slopes and river beaches and other areas. [16] Chestnut likes to grow in sunny, humid climate areas, belongs to the positive tree species, cold and drought tolerance, high soil requirements, sandy soil. [17] The propagation methods of chestnut mainly include cutting propagation, grafting propagation and sowing propagation, and generally adopt grafting propagation. [18]

Compendium of Materia Medica records the medicinal value of chestnuts: "Chestnuts salty, warm, non-toxic; Supplementing Qi, thick stomach, tonifying kidney qi, can treat broken bones, heart and abdomen evil qi, nourishing spleen, swelling pain and blood stasis; When you chew it raw, it makes you fat and healthy." [19] Chestnut nuts can be eaten raw or shelled to make pastries, tofu and other non-staple foods; Chestnut brown, sapwood color slightly light, straight texture, rough structure, hard, water and wet resistance, is a high-quality material, high economic value. [20] Many ancient sayings on chestnuts, such as " Xinyun Qiulin chestnuts more fat, back to the clouds to master Huang Xin chestnuts" and "mountain family steamed chestnuts warm fat, tender, warm, as long as the chestnuts, non-concious know", all express the characteristics of chestnut flesh fat.

Castanea castanea, deciduous tree plant, stems and branches are thicker, cylindrical; The surface is dark green, with fine longitudinal lines and small villi; The leaves are more curly, with a short stalk, the leaves are oval, the face is yellowish brown, the young leaves are fine hairs; Flowers are small, pale yellow, corolla is large, stigma yellow; Flowering period May to June; Fruit season July - August. [14] It was first found in the Book of Songs in ancient books, and it can be seen that the cultivation history of chestnut in China has been at least 2,500 years. [15]

Chestnut

is native to China, except Qinghai, Ningxia, Xinjiang, Hainan and other provinces and regions, widely spread in the north and south, often cultivated in low elevation of low mountains, hills, gentle slopes and river beaches and other areas. [16] Chestnut likes to grow in sunny, humid climate areas, belongs to the positive tree species, cold and drought tolerance, high soil requirements, sandy soil. [17] The propagation methods of chestnut mainly include cutting propagation, grafting propagation and sowing propagation, and generally adopt grafting propagation. [18]

Compendium of Materia Medica records the medicinal value of chestnuts: "Chestnuts salty, warm, non-toxic; Supplementing Qi, thick stomach, tonifying kidney qi, can treat broken bones, heart and abdomen evil qi, nourishing spleen, swelling pain and blood stasis; When you chew it raw, it makes you fat and healthy." [19] Chestnut nuts can be eaten raw or shelled to make pastries, tofu and other non-staple foods; Chestnut brown, sapwood color slightly light, straight texture, rough structure, hard, water and wet resistance, is a high-quality material, high economic value. [20] Many ancient sayings on chestnuts, such as " Xinyun Qiulin chestnuts more fat, back to the clouds to master Huang Xin chestnuts" and "mountain family steamed chestnuts warm fat, tender, warm, as long as the chestnuts, non-concious know", all express the characteristics of chestnut flesh fat.