俄罗斯苏维埃社会主义共和国亚麻生产的扩大和质量的提高,是与育种和良种凡殖有关。全苏亚麻科学研究所是亚麻育种中心,它负责给四个经济区提供良种:中心区(布良斯克省、加黑宁省等)、西北区(诺夫哥罗得省、普斯可夫省)、伏 The expansion and quality improvement of flax production in the Russian Soviet Socialist Republic is related to breeding and seed breeding. The All-Flax Institute of Flax is a flax breeding center that is responsible for the provision of improved varieties to four economic zones: the Central District (Bryansk, Ghana, Heijin), the Northwest (Nizhny Novgorod, Pskov, ), Volts