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以黄淮海地区玉米对照品种郑单958为试材,于2010和2011年研究了不同种植模式对夏玉米收获效率及产量形成的影响,结果表明:(1)侧向施肥种植模式下,郑单958根系广度大,抗倒伏能力强,且产量高于正向施肥模式;(2)施肥方式对郑单958的机械收获效率影响不显著;(3)行距为60cm的种植模式下,郑单958的产量显著高于55cm和65cm的行距模式,且郑单958的机械收获效率在60cm模式下最高。
Taking the maize control variety Zhengdan 958 in the Huang-Huai-Hai region as test material, the effects of different planting modes on the harvesting efficiency and yield of summer maize were studied in 2010 and 2011. The results showed that: (1) Under the lateral fertilization planting mode, 958 root system with large breadth, strong lodging resistance, and higher yield than the positive fertilization mode; (2) Fertilization mode had no significant effect on the mechanical harvesting efficiency of Zhengdan 958; (3) Under the planting mode of row spacing 60cm, Zhengdan 958 The yield of Zhengdan 958 was significantly higher than that of 55cm and 65cm, and the mechanical harvesting efficiency of Zhengdan 958 was the highest under 60cm.