Arid
DOI10.1007/s11269-017-1745-z
Assessment of AquaCrop Model in Simulating Sugar Beet Canopy Cover, Biomass and Root Yield under Different Irrigation and Field Management Practices in Semi-Arid Regions of Pakistan
Malik, Abdul1; Shakir, Abdul Sattar2; Ajmal, Muhammad1; Khan, Muhammad Jamal3; Khan, Taj Ali1
通讯作者Ajmal, Muhammad
来源期刊WATER RESOURCES MANAGEMENT
ISSN0920-4741
EISSN1573-1650
出版年2017
卷号31期号:13页码:4275-4292
英文摘要

The AquaCrop model was analyzed for simulating sugar beet crop production under four irrigation regimes, three mulching conditions and three furrow irrigation systems in semiarid region of Pakistan. Irrigation regimes were full irrigation (FI), 20% deficit irrigation (DI20), 40% deficit irrigation (DI40) and 60% deficit irrigation (DI60). The mulching practices were No-mulch (NM), black film mulch (BFM) and straw mulch (SM). The furrow irrigation systems were conventional ridge-furrow (CRF) system, medium raised-bed (MRB) system and wide raised-bed (WRB) system. The model was calibrated and validated using the independent data sets of full irrigation and deficit irrigation regimes collected during 2011-12 cropping season. The model performance was evaluated by using different statistical indicators such as Root Mean Square Error (RMSE), index of agreement (dindex), and NashSutcliffe Efficiency (NSE). These indicators showed that the model fairly simulated sugar beet canopy cover for all treatments with 3.00 <= RMSE <= 16.89, 0.84 <= d(index) <= 0.97, and 0.76 <= NSE <= 0.99. For biomass and root yield, the model performance was excellent under all full irrigation (FI) and mild deficit irrigation (DI20) treatments with RMSE ranged between 0.07 and 1.17, dindex between 0.48 and 0.84, and NSE between 0.42 and 0.86, respectively. However the low values of dindex (0.10 and 0.13) and NSE (-69.32 and -30.63) showed that the model overestimated both the biomass and root yield when 20% deficit irrigation was applied without mulch in WRB system. The model also over estimated the yield and biomass when 40% deficit irrigation was applied in CRF system. The highest overestimation (d(index): 0.10 to 0.11; NSE: -50.92 to -70.55) was observed when highest stress level (DI60) was applied in the presence of BFM in CRF system. Based on the model’s overall performance, the AquaCrop application is recommended for developing efficient farm water management strategies in the semi-arid regions.


英文关键词AquaCrop Deficit irrigation Mulches Water management strategies Canopy cover Biomass Root yield Sugar beet
类型Article
语种英语
国家Pakistan
收录类别SCI-E
WOS记录号WOS:000411869000015
WOS关键词CROP WATER PRODUCTIVITY ; DEFICIT IRRIGATION ; WINTER-WHEAT ; AGRICULTURE ; REGIMES ; GROWTH ; MULCH
WOS类目Engineering, Civil ; Water Resources
WOS研究方向Engineering ; Water Resources
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/202890
作者单位1.Univ Engn & Technol, Agr Engn Dept, Peshawar 25120, Pakistan;
2.Univ Engn & Technol, Civil Engn Dept, Lahore, Pakistan;
3.Agr Univ Peshawar, Water Management Dept, Peshawar, Pakistan
推荐引用方式
GB/T 7714
Malik, Abdul,Shakir, Abdul Sattar,Ajmal, Muhammad,et al. Assessment of AquaCrop Model in Simulating Sugar Beet Canopy Cover, Biomass and Root Yield under Different Irrigation and Field Management Practices in Semi-Arid Regions of Pakistan[J],2017,31(13):4275-4292.
APA Malik, Abdul,Shakir, Abdul Sattar,Ajmal, Muhammad,Khan, Muhammad Jamal,&Khan, Taj Ali.(2017).Assessment of AquaCrop Model in Simulating Sugar Beet Canopy Cover, Biomass and Root Yield under Different Irrigation and Field Management Practices in Semi-Arid Regions of Pakistan.WATER RESOURCES MANAGEMENT,31(13),4275-4292.
MLA Malik, Abdul,et al."Assessment of AquaCrop Model in Simulating Sugar Beet Canopy Cover, Biomass and Root Yield under Different Irrigation and Field Management Practices in Semi-Arid Regions of Pakistan".WATER RESOURCES MANAGEMENT 31.13(2017):4275-4292.
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