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1986~1988年在美国中部的内布拉斯加州邻近悉尼的粉砂土(干旱的Algiustol)进行田间试验,大麦品种为Hitchcock和Dundy,播种深度为1.25或2.5英寸,播种量每英亩40或80磅;9月1日、15日或30日播种,耕款或免耕。播量大的处理出苗数及成苗数比播量少的高10~15%,但籽粒产
Field experiments were conducted in 1986-1988 on silty earth (arid Algiustol) in Sydney near Nebraska in the central United States. The barley varieties were Hitchcock and Dundy with a sowing depth of 1.25 or 2.5 inches. Seeding per Acres 40 or 80 pounds; sown on September 1, 15 or 30, cultivated or no-till. Sowing a large number of seedlings and seedling number less than the sowing of high 10 ~ 15%, but the grain yield