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一、聚合草的繁殖与高产栽培 聚合草Symphytum peregrinum Ledeb又名紫草、友谊草、爱国草,是紫草科、聚合草属中的一种多年生草本植物。原产于苏联欧洲部份的高加索和西北利亚等地,目前广泛分布于英国、德国、非洲南部、日本、朝鲜和澳大利亚等国。1964年引入我国,近年来在全国各省、市区普遍种植,其营养价值已被大量分析资料所肯定。它的蛋白质含量高于一般青绿饲料,是一种高产优质饲料作物。为了开辟饲料来源,适应奶牛业的发
First, the polymerization of grass breeding and high-yield cultivation Symphytum peregrinum Ledeb, also known as Lithospermum, friendship grass, patriotic grass, is a comfrey, Polygonum in a perennial herb. Originating in parts of the Soviet Union such as the Caucasus and North-Western Europe, it is widely distributed in Britain, Germany, southern Africa, Japan, North Korea and Australia. Introduced to our country in 1964, in recent years in all provinces, urban areas generally planted, its nutritional value has been affirmed by a large number of analytical data. Its protein content is higher than the general green feed, is a high yield and quality feed crops. In order to open up the source of feed, to adapt to the dairy industry hair