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茼麻良种华北大青秆,为前华北农业科学研究所十年前由安徽蚌埠地区引进,经过品种观察比较,及历年混合选择法选育而成。茎秆及叶绿色,在北京前华北农科所农场栽培条件下,株高400—460厘米,茎粗1.5—2厘米,始花节位高360—400厘米。播种到收麻生育日数120—130天,由播种到收种所需生育日数为140—150天。华北大青秆的鲜茎出麻率为6%,皮肤厚,每亩纤维产量200—250斤,每亩种子产量
Nuogeng ramie is a large green stalk in North China. It was introduced by former North China Academy of Agricultural Sciences ten years ago from Bengbu, Anhui Province. Through comparison and observation of varieties, it has been bred from the hybrid selection method over the years. Stalks and leaf green, in Beijing before the North China Agricultural Institute farm cultivation conditions, the plant height of 400-460 cm, stem diameter 1.5-2 cm, the beginning of the festival high 360-400 cm. Seeding to close crop days of 120-130 days, from planting to planting the required number of days of birth is 140-150 days. North China green stem fresh stems rate of 6%, thick skin, fiber yield per mu 200-250 kg, yield per acre seed