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中国农学通报 ›› 2005, Vol. 21 ›› Issue (11): 157-157.

所属专题: 玉米

• 目次 • 上一篇    下一篇

栽培方式与群体结构对寒地玉米物质积累 及产量形成的影响

杨克军,李 明,李振华   

  • 出版日期:2005-11-05 发布日期:2005-11-05

Effect of Cultivation Way and Community Construction on Material Accumulation and Yield Formation of Frigid Corn

Yang Kejun, Li Ming, Li Zhenhua   

  • Online:2005-11-05 Published:2005-11-05

摘要: 通过对不同栽培方式及群体结构下,两个不同株型玉米的干物质积累动态及产量差异比较分析,结果表明大垄双行栽培,可以有效地改善玉米群体结构,减少株间竞争,促进个体生长发育,增加其干物质积累,提高玉米的产量。种植方式与密度之间存在明显互作效应,大垄双行栽培方式下紧凑型品种的适宜种植密度为6.00~6.75万株/hm2,平展型品种的种植密度为5.25~6.00万株/hm2,分别比对照小垄栽培增产19.09%和14.25%。

Abstract: Through dried matter accumulation trends of two different plant type maize and yield difference were comparatively analysis, under different cultivation way and community construction, result indicate that, the community construction was improved effective