Arid
DOI10.1007/s00271-021-00739-x
Optimal coupling combinations between dripper discharge and irrigation interval of maize for seed production under plastic film-mulched drip irrigation in an arid region
Ma, Shimeng; Tong, Ling; Kang, Shaozhong; Wang, Sufen; Wu, Xuanyi; Cheng, Xiaona; Li, Qiangqiang
通讯作者Tong, L (corresponding author), China Agr Univ, Ctr Agr Water Res China, Beijing 100083, Peoples R China. ; Tong, L (corresponding author), Minist Agr & Rural Affairs, Wuwei Expt Stn Efficient Water Use Agr, Wuwei 733000, Gansu, Peoples R China.
来源期刊IRRIGATION SCIENCE
ISSN0342-7188
EISSN1432-1319
出版年2021-09
英文摘要Drip irrigation combined with film mulching significantly improved water saving and agricultural efficiency in arid and semi-arid regions. However, the impact of various irrigation technical parameters under plastic film-mulched (PM) drip irrigation on water consumption and maize yield (Zea mays L.) for seed production is still unclear. Field experiments were conducted between 2016 and 2018 in Northwest China to investigate the effects of irrigation technical parameters (dripper discharge and irrigation interval) on biomass, grain yield, water, and nitrogen (N) use efficiency of the PM-maize for seed production. Four dripper discharges (1.38 L h(-1), 2.0 L h(-1), 2.5 L h(-1), 3.0 L h(-1)) and five irrigation intervals (6 days, 8 days, 10 days, 12 days, 14 days) were selected. The normalized yield was used to analyze the effect of different treatments on the yield to eliminate the differences caused by uncontrollable factors, such as precipitation and temperature between different years. The results indicated a quadratic function among the final aboveground biomass, grain yield of maize for seed production, and irrigation intervals, with the highest value observed at 8 days irrigation interval. Both yield and nitrogen use efficiency measured as partial factor productivity of nitrogen (PFPN) decreased rapidly as the irrigation interval exceeded 10 days. When the irrigation interval increased from 10 to 14 days, the relative grain yield decreased between 6.5 and 16.0%, while the PFPN decreased between 1.1 and 99.2 kg kg(-1). Crop evapotranspiration (ET) initially decreased and then increased as the irrigation interval increased. The water productivity (WPY-ET) was the highest at the irrigation interval of 8 days. The PFPN increased between 6.6 and 42.8 kg kg(-1) at the dripper discharge of 3.0 L h(-1) when compared with dripper discharge of 2.5 L h(-1). The study showed an optimal dripper discharge-irrigation interval combination for maximizing water-resources utilization and yield increase. When biomass, grain yield, ET, and WPY-ET are considered simultaneously, the most suitable irrigation technical parameters of maize for seed production in Northwest China are the combination of 2.5 L h(-1) and 8 days. Furthermore, a combination of 3.0 L h(-1) and 8 days is more conducive to reducing fertilizer costs.
类型Article ; Early Access
语种英语
收录类别SCI-E
WOS记录号WOS:000691929700001
WOS关键词NITROGEN-USE EFFICIENCY ; WATER-USE EFFICIENCY ; TRICKLE IRRIGATION ; FREQUENCY ; YIELD ; GROWTH ; EVAPORATION ; QUALITY ; CHINA ; FIELD
WOS类目Agronomy ; Water Resources
WOS研究方向Agriculture ; Water Resources
来源机构中国农业大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/363685
作者单位[Ma, Shimeng; Tong, Ling; Kang, Shaozhong; Wang, Sufen; Wu, Xuanyi; Cheng, Xiaona; Li, Qiangqiang] China Agr Univ, Ctr Agr Water Res China, Beijing 100083, Peoples R China; [Ma, Shimeng; Tong, Ling; Kang, Shaozhong; Wang, Sufen; Wu, Xuanyi; Cheng, Xiaona; Li, Qiangqiang] Minist Agr & Rural Affairs, Wuwei Expt Stn Efficient Water Use Agr, Wuwei 733000, Gansu, Peoples R China
推荐引用方式
GB/T 7714
Ma, Shimeng,Tong, Ling,Kang, Shaozhong,et al. Optimal coupling combinations between dripper discharge and irrigation interval of maize for seed production under plastic film-mulched drip irrigation in an arid region[J]. 中国农业大学,2021.
APA Ma, Shimeng.,Tong, Ling.,Kang, Shaozhong.,Wang, Sufen.,Wu, Xuanyi.,...&Li, Qiangqiang.(2021).Optimal coupling combinations between dripper discharge and irrigation interval of maize for seed production under plastic film-mulched drip irrigation in an arid region.IRRIGATION SCIENCE.
MLA Ma, Shimeng,et al."Optimal coupling combinations between dripper discharge and irrigation interval of maize for seed production under plastic film-mulched drip irrigation in an arid region".IRRIGATION SCIENCE (2021).
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