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In order to obtain the spatial information of winter wheat harvest index (HI) at regional scale, according to the definition of crop harvest index, depending on MODIS-NDVI time-series images to calculate accumulated NDVI at stage of after anthesis and before anthesis, the authors structured the parameter HINDVI-SUM which meant the ratio of accumulated 10-day NDVI at stages of after anthesis to accumulated...
In order to acquire the spatial information of winter wheat harvest index (HI), depending on the crop growth profile of time-series MODIS-NDVI to calculate mean slope of NDVI curve and accumulated NDVI at stage of before anthesis and after anthesis, the authors made full use of remote sensing information and structured two parameters HINDVI-k and HINDVI-SUM according to the definition of HI of crop...
Crop yield data is a key indicator for national food security and sustainable development of society. Winter wheat is one of the most important main crops and Huanghuaihai Plain is the most important productive region in North China. So, the authors had a research on regional yield prediction for winter wheat based on crop biomass estimation using multi-source data in the Plain. In this paper, the...
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