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龙单三号(大风7-2×俄43~(Ht))是省农业科学院育成的高产抗病品种。1977年双亲引入我县繁殖。自1979年在我县推广以来,亩产年年不下千斤,高产单位可达1100斤以上。如1980年东发公社同发五队,种植300亩,单产1200斤,获得了大面积丰收。该品种成熟后茎叶绿色,不用青贮就可做牛的越冬饲料,深受农民和养牛户的欢迎。可是,
Longdan 3 (gale 7-2 × Russian 43 ~ (Ht)) is a high-yielding disease-resistant variety bred by the Provincial Academy of Agricultural Sciences. In 1977 my parents introduced my county breeding. Since the promotion in our county in 1979, no less than a thousand mu of mu produce per year, high-yielding units up to 1100 pounds and above. For example, in 1980, the East Development Commune sent out a total of 300 mu with a production capacity of 1200 mu and obtained a large area of harvest. The maturity of the variety of stems and leaves green, without silage can do the winter feed cattle, farmers and cattle farmers welcomed. but,