2011•Shenyang Nongye Daxue xuebaoRequires access

Effect of different wide-narrow row spacing mode on growth and yield of summer maize.

Shunsheng Wang, Liangjun Fei, GAO Chuanchang -, Fu YuLiang

Abstract

With the equal row spacing of flat planting corn as CK,the growth and yield of summer maize were studied on the wide-narrow row spacing mode in west Henan Province.The results showed that compared with the equal row spacing,the grain filling rate of the wide-narrow row spacing mode increased significantly in favor of summer corn growth,dry matter accumulation and stem length.Besides,the former of leaf area index increased rapidly early,the kernel weight,grain traits significantly has improved.compared with equal's,the average yield of wide-narrow row spacing mode was 6660.2kg·hm-2,the rate increased by 16.7%.

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Key concepts: Sowing, Yield (engineering), Dry matter, Agronomy, Leaf area index, Grain yield, Growth rate, Mathematics