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甘肃省不同旱作区全膜双垄沟播玉米增产效果研究
引用本文:杏东,强世军.甘肃省不同旱作区全膜双垄沟播玉米增产效果研究[J].甘肃农业科技,2009(8):9-12.
作者姓名:杏东  强世军
作者单位:1. 甘肃省庆城县种子管理站,甘肃庆城,745100
2. 甘肃省庆城县农业技术推广中心,甘肃庆城,745100
基金项目:甘肃省旱作农业项目"旱地全膜双垄沟播技术示范推广"部分内容 
摘    要:对甘肃省不同旱作区全膜双垄沟播玉米增产效果的研究结果表明,在不同旱作区,全膜双垄沟播的增产效果均极显著高于半膜双垄沟播,半膜双垄沟播显著高于半膜平铺穴播;以秋季覆膜的增产效果最好,顶凌覆膜次之,播前覆膜最低。不同旱作区全膜双垄沟播玉米的增产效果从大到小依次为半干旱偏旱区、半干旱区、半湿润偏旱区。

关 键 词:旱作  玉米  全膜覆盖  双垄  沟播  增产效果

Effects of Ditch Sowing in Corn Double Ridge Mulched with Plastic Films in Different Dryland Areas of Gansu
XING Dong,QIANG Shi-jun.Effects of Ditch Sowing in Corn Double Ridge Mulched with Plastic Films in Different Dryland Areas of Gansu[J].Gansu Agricultural Science and Technology,2009(8):9-12.
Authors:XING Dong  QIANG Shi-jun
Institution:1.Qingcheng Seed Administration Station;Qingcheng Gansu 745100;China;2.Qingcheng Agricultural Technology Extension Center;China
Abstract:The yield-increasing effects was studied which the techniques of ditch sowing in corn double ridge mulched with plastic films in different dryland areas.The results showed that different film mulching modes,yield-increasing extent of whole mulching on double ridge was significantly higher than that of half mulching on double ridge,and half mulching on double ridges was remarkably higher than half flat mulching;different film mulching times,yield-increasing extent of autumn mulching was much higher than that...
Keywords:Dryland  Corn  Mulched with plastic films  Double ridge  Ditch sowing  Yield-increasing effects  
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