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Taifeng Dong
Agriculture and Agri-Food Canada
28Publications
6H-index
144Citations
Publications 28
Newest
#1Xiaodong Huang (UWO: University of Western Ontario)H-Index: 2
#2Chunhua Liao (UWO: University of Western Ontario)H-Index: 4
Last.Nathan Torbick (Durham University)H-Index: 16
view all 10 authors...
Abstract The polarimetric Synthetic Aperture Radar (PolSAR) signal contains more parameters than single or dual polarized SAR when using a scattering matrix to characterize targets. The increased information content of PolSAR provides more potential inputs for machine learning and classification applications; however, polarimetric parameters tend to be simply used as input variables and the optimum parameters to efficiently separate land classes and their physical meaning has received little att...
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#1Taifeng Dong (AAFC: Agriculture and Agri-Food Canada)H-Index: 6
#2Jiali Shang (AAFC: Agriculture and Agri-Food Canada)H-Index: 20
Last.Jeffrey H. Wilson (Nipissing University)H-Index: 1
view all 16 authors...
Remote sensing has been recognized as a cost-effective way to detect the spatial and temporal variability of crop growth and productivity. In this study, multispectral RapidEye images were used to delineate homogeneous zones of soil and crop development in two fields in Ontario, Canada, one planted with canola (Brassica napus L.) and the other with spring wheat (Triticum aestivum L.). The two fields received different levels of nitrogen (N) treatments during the pre-planting land preparation pha...
1 CitationsSource
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#1Jiangui LiuH-Index: 14
#2Jiali ShangH-Index: 20
Last.Tim MartinH-Index: 1
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#1Xin Du (AAFC: Agriculture and Agri-Food Canada)H-Index: 10
#2Qiangzi Li (CAS: Chinese Academy of Sciences)H-Index: 11
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Yellow rust (Puccinia striiformis f. sp. Tritici) and aphid (Sitobion avenae F.) are two major biotic factors threatening winter wheat growth in the main growing region in northern China. The goal ...
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#1Taifeng DongH-Index: 6
#2Jiali ShangH-Index: 20
view all 12 authors...
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#1Chao ZhangH-Index: 2
#2Jiangui LiuH-Index: 14
view all 8 authors...
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#1Zhiqiang Cheng (CAS: Chinese Academy of Sciences)H-Index: 1
#2Jihua Meng (CAS: Chinese Academy of Sciences)H-Index: 8
Last.Taifeng Dong (AAFC: Agriculture and Agri-Food Canada)H-Index: 6
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Information on soil available nutrient (SAN) at key crop growth stages is critical to generate prescription maps for implementing variable rate fertilization (VRF). Our previous study showed that integrating time-series remote sensing (RS) data with the modified World Food Studies (WOFOST) crop model provides a useful approach (preliminary RS-WOFOST-based method) to acquiring information on field SAN; however, the estimation accuracy was low for VRF application. In this paper, three steps were p...
2 CitationsSource
#1Taifeng Dong (AAFC: Agriculture and Agri-Food Canada)H-Index: 6
#2Jiangui Liu (AAFC: Agriculture and Agri-Food Canada)H-Index: 14
Last.Yichao Shi (Iowa State University)H-Index: 1
view all 10 authors...
Abstract This study explores the potential of vegetation indices (VIs) for crop leaf area index (LAI) estimation, with a focus on comparing red-edge reflectance based (RE-based) and the visible reflectance based (VIS-based) VIs. Seven VIs were derived from multi-temporal RapidEye images to correlate with LAI of two crop species having contrasting leaf structures and canopy architectures: spring wheat (a monocot) and canola (a dicot) in northern Ontario, Canada. The relationship between LAI and t...
9 CitationsSource
#1Chunhua Liao (UWO: University of Western Ontario)H-Index: 4
#2Jinfei Wang (UWO: University of Western Ontario)H-Index: 20
Last.Yang Song (UWO: University of Western Ontario)H-Index: 1
view all 6 authors...
Abstract The Simple Algorithm for Yield estimates (SAFY) is a crop yield model that simulates crop growth and biomass accumulation at a daily time step. Parameters in the SAFY model can be determined from literature, in situ measurements, or optical remote sensing data through data assimilation. For effective determination of parameters, optical remote sensing data need to be acquired at high spatial and high temporal resolutions. However, this is challenging due to interference of cloud cover a...
6 CitationsSource
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