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一、试验目的:根据联合区域试验,为尽快地鉴定出夏玉米新杂交种的适应性和丰产性能,为我市夏玉米良种的推广提供依据。二、试验材料三、试验方法: 1.田间设计:采用随机排列,重复三次,5行区,行长30尺,小区面积0.5分,收获中间3行,面积0.3分,株行距1×1.8尺每亩3333株。 2.试验条件:试验地为重壤土,地势平坦,地力中等,前茬小麦,6月25日开沟条播,7月19日一次定苗,8月初中耕除草一次,8月7日追尿素每亩30斤,10月13—14日收获。
First, the purpose of the experiment: According to the joint regional trials, as soon as possible to identify the adaptability of summer maize hybrids and high yield performance, to provide the basis for the promotion of summer maize varieties in our city. Second, the test materials Third, the test method: 1 field design: using random arrangement, repeated three times, 5 line area, the governor 30 feet, plot area 0.5 points, harvest the middle 3 lines, an area of 0.3 points, spacing of 1 × 1.8 feet 3333 per mu. 2. Test conditions: test for heavy loam, flat topography, medium strength, wheat crop, June 25 ditching sowing, July 19 Dingmiao, early August weeding once, August 7, urea recovery per acre 30 pounds, October 13-14 harvest.