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西引2号大麦是西北农学院1980年由日本长野县引入,原名为“浅问麦”。1984年冬在我省枣阳、襄阳等地试种,表现突出,具有高产、耐肥、抗倒、抗病等优点,以高价购种,扩大种植,发展很快。为了探索该品种的需肥特性,摸清在中等肥力条件下施多少氮肥,既经济有效,又能发挥品种增产的特性,既能改善籽粒品质,又能提高饲养价值。1985—86年度在我所(武昌)进行了西引2号大麦不同施氮量的试验,为我省大面积示范推广提供依据,现将试验结果初报如下:
West lead No. 2 barley is Northwest Agricultural College introduced in 1980 by Japan’s Nagano Prefecture, formerly known as “shallow wheat.” The winter of 1984 in Zaoyang in our province, Xiangyang and other places to try, outstanding performance, with high yield, resistance to fat, anti-down, disease resistance and other advantages, to buy at high prices, expanding planting, the rapid development. In order to explore the characteristics of fertilizer needs of this variety, finding out how much nitrogenous fertilizer is applied under medium fertility conditions is both economical and effective, and can also increase the yield of varieties, which can not only improve grain quality but also raise the breeding value. In 1985-86, we conducted a test of different nitrogen application rates of barley in West Cork No.2 in our institute (Wuchang), which provided the basis for large area demonstration and popularization in our province. The preliminary results of the test are as follows: