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一、前言黄河流域冬大麦区,从1949-1979年长期沿用多棱形农家品种,不抗倒伏,产量长期在五十到一百五十公斤徘徊,高产村平均亩产250公斤,形成国内有名大麦低产区.由于低产,大麦种植面积由3200万亩下降到400～500万亩,有些地区大麦几乎绝迹.从1978年以来,随着啤酒工业的发展,各地引进大量品种(系)和开展高产配套栽培技术
I. Introduction The winter barley area of the Yellow River Basin, from 1949 to 1979, long-term use of polygamous farmhouse varieties, not lodging resistance, long-term output of 50 to 150 kilograms hovering, high yielding village average yield 250 kilograms, the formation of domestic famous Due to the low yield, the barley planting area has dropped from 32 million mu to 4 million to 5 million mu and barley has almost disappeared in some areas. Since 1978, with the development of the beer industry, a large number of varieties (lines) have been introduced and carried out High-yielding cultivation techniques