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1材料与方法参试品种25个,有华农138、华农18、联科96、伟科702、京单38等品种,试验以郑单958为对照,留苗密度为5.7万株/hm2,试验采用对比排列,不设重复,6行区,行距60cm,株距29.2cm。小区面积为54m2。试验地设在三河市泃阳镇大枣林农业局试验基地,试验地为黄壤土,前茬玉米,播种时用复合肥600kg/hm2,5月22日播种,9月22日收获。中耕1次,喷灌1次,追尿素375kg/hm2。
1 Materials and methods Twenty-five cultivars were tested, including HuaNong 138, HuaNong 18, Lianke 96, Weike 702 and Jingdan 38. The experiment was conducted with Zhengdan 958 as control and the seedling density was 57000 plants / hm2. The experiment The use of contrast arrangement, no duplication, 6-line area, row spacing 60cm, spacing 29.2cm. Residential area of 54m2. The experimental site is located in the trial base of Jujube Forestry Bureau of Xingyang Town, Sanhe City. The experimental site is yellow loam soil and the former crop of corn. The compound fertilizer is 600kg / hm2 when sown, sown on May 22 and harvested on September 22nd. Cultivation 1 times, sprinkler 1 times, recovering urea 375kg / hm2.