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2010年在豫东水利工程管理局惠北水利科学试验站试验基地东测坑开展了夏玉米种植密度试验研究。试验设计4个密度处理,分别为每亩4000株、5000株、5500株、6000株。试验结果表明,郑单958品种抗倒伏能力强,适宜高密度种植;不同密度处理夏玉米株高和单株叶面积没有明显的变化,但高密度种植能显著提高叶面积系数,提高光合作用效果;郑单958适宜的播种密度为每亩5500株,能达到高产效果。
In 2010 in the East China Water Resources Project Management Bureau of Huibei Hydraulic Science Experimental Station test pit test summer planting density of maize. Experimental design 4 density treatment, respectively, 4000 acres per mu, 5000, 5500, 6000. The results showed that Zhengdan 958 had strong anti-lodging ability and suitable for high-density planting. There was no significant change in plant height and leaf area per plant under different density treatments, but high-density planting could significantly increase leaf area coefficient and improve photosynthesis ; Zheng Dan 958 suitable sowing density of 5500 plants per acre, can achieve high yield.