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以红葱为试材,采用2因素3水平正交实验设计,在不同播种密度(15、25、35粒·穴~(-1))和播种质量(0.5、1.5、2.5g·粒~(-1))处理条件下对红葱出苗率、株高、假茎粗、叶片数及分蘖数进行分析,研究了不同播种密度和播种质量对红葱生长及产量的影响。结果表明:不同播种密度和播种质量对红葱出苗率、株高、假茎粗、叶片数、分蘖数及产量均有显著影响。当播种密度为25粒·穴-1时,播种质量为2.5g·粒~(-1)时,红葱生长较好,红葱单位面积产量最高,适宜在宁夏地区推广种植。
Red onion was used as test material and orthogonal experiment design of 2 factors and 3 levels was carried out in different sowing densities (15,25,35 seeds · hole ~ (-1)) and sowing quality (0.5,1.5,2.5 g · grain ~ ( -1)) were used to analyze the seedling emergence, plant height, pseudostems, leaf number and tiller number. The effects of different sowing densities and sowing quality on the growth and yield of Red Onion were studied. The results showed that seedling density and sowing quality significantly affected seedling emergence, plant height, pseudostem thickness, leaf number, tiller number and yield. When sowing density was 25 grains · hole -1, sowing weight was 2.5g · grain ~ (-1), red onion grew well and red onion had the highest yield per unit area, so it was suitable for planting in Ningxia.