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一、前言丽欧高粱属多穗高粱原产于美国,本是一种糖源作物,在美国广为栽培;为奶牛场提供了充足的青绿饲料,使养牛业得到更大的发展。我国于1974年引进试种子北京之后,先后在河南、山东一带种植。金川于1985年3月从中国科学院引入少量试种,通过观察,初步表现良好,具有产量高,抗涝性强、耐旱性强、含糖量高、适口性好,利用方便等特点。金川位于川西北高原南缘邛崃山脉之西。全年平均温度12.8℃,最高气温32℃,最低气温-12℃。全年无霜期182
I. Introduction Leo sorghum is a multi-spike sorghum native to the United States, this is a sugar source crops, widely cultivated in the United States; for the dairy farm to provide adequate green feed, the cattle industry to achieve greater development. After China introduced the test seed Beijing in 1974, it has planted it in Henan and Shandong provinces. Jinchuan in March 1985 from the Chinese Academy of Sciences introduced a small amount of test, through the observation, the preliminary performance is good, with high yield, flood resistance, drought tolerance, high sugar content, palatability, easy to use and so on. Jinchuan is located in the southwestern Sichuan Karst mountains west of the western Sichuan. The annual average temperature of 12.8 ℃, the highest temperature of 32 ℃, the lowest temperature of -12 ℃. Frost-free period throughout the year