Effect of Regulated Deficit Irrigation on Growth Characteristic and Yield of Plastic Film Mulched Spring Wheat

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Effect of Regulated Deficit Irrigation on Growth Characteristic and Yield of Plastic Film Mulched Spring Wheat

更新时间：2024-11-07

- Effect of Regulated Deficit Irrigation on Growth Characteristic and Yield of Plastic Film Mulched Spring Wheat
- Issue 3, Pages: 192-196(2006)
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- Published：2006
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Effect of Regulated Deficit Irrigation on Growth Characteristic and Yield of Plastic Film Mulched Spring Wheat[J]. 2006, (3): 192-196.
DOI：

Effect of Regulated Deficit Irrigation on Growth Characteristic and Yield of Plastic Film Mulched Spring Wheat[J]. 2006, (3): 192-196. DOI：

摘要

借助于国家高科技农业“863”课题

以春小麦为供试作物

2004年和2005年在甘肃省张掖市甘州区进行了膜上灌春小麦调亏灌大田试验研究

研究了地膜覆盖(设丰水F(FM)、轻度L(FM)和中度M(FM))、露地(设丰水F(B)和中度M(B))。结果表明

与露地相比

覆膜处理春小麦出苗时间提前7~9 d;最大叶面积指数较露地提高12.34%~40.11%

增温1.5~1.7℃;同一水分处理下覆膜丰水处理F(FM)比露地丰水处理F(B)增产54.22%

WUE提高了4.67 kg/(mm.hm2);覆膜中度处理M(FM)比露地中度处理M(B)增产70.46%

WUE提高了4.91 kg/(mm.hm2)。最高产量所需的土壤适宜水分下限为50%~60%

较露地下降10%~15%。将亏缺灌溉与地膜覆盖两种措施相结合

旨在探讨其对产量形成过程的影响和相互作用

结果表明同一水分处理下覆膜小麦不仅具有较高的生物产量

而且茎、叶、穗等器官营养物质的输出率、分配率、转换率均高于露地小麦

相同水分条件下覆膜处理具有明显的增温、保墒增产作用。

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Related Author

WANG Xiao-jun

CHENG Zi-yong

ZHANG Zi-he

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Related Institution

Hubei Key Laboratory of Hydropower Engineering Construction and Management， China Three Gorges University

General Station for Agriculture Technology Extension of Gansu Province

Collegeof Life Science and Technology, Gansu Agricultural University

Lanzhou City College

College of Agronomy, Gansu Agricultural University/ Gansu Provincial Key Laboratory of Aridland Crop Sciencs

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