Xin-hua YU, Wei-qing ZHAO, Zai-chun ZHU, Bao-dong XU, Zhi-zhan ZHAO. Research in Crop Yield Estimation Models on Different Scales Based on Remote Sensing and Crop Growth Model[J]. Spectroscopy and Spectral Analysis, 2021, 41(7): 2205
- Spectroscopy and Spectral Analysis
- Vol. 41, Issue 7, 2205 (2021)
Fig. 1. Overview of the study area
Fig. 2. Comparison of WOFOST simulated yield with site-measured yield
Fig. 3. LAI (a) and WSO (b) daily outputs from 50 random simulations of the WOFOST
Fig. 4. The coefficient of determination (R 2) for the Random Forests models based on simulated LAI and monthly weather
Fig. 5. Comparison of SCYM estimated yield with site-measured yield
Fig. 6. Spatial distribution of relative error between the SCYM estimated yield and the site-measured yield
Fig. 7. Average SCYM estimated yield in 2012—2018
Fig. 8. Trend of winter wheat yield in Anhui Province
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Table 1. Range of calibrated values of maincrop parameters of WOFOST model
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Table 2. Seasonal meteorological weather indicators to be selected
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