Winter wheat dynamic harvest index remote sensing estimation method obtained based on D-fG parameter remote sensing
A technology of harvest index and winter wheat, which is applied in calculation, data processing application, color/spectral characteristic measurement, etc., and can solve problems such as unrealized index information acquisition.
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[0058] The present invention will be described in detail below in conjunction with specific embodiments.
[0059] 1 Materials and methods
[0060] 1.1 Study area and experimental design
[0061] The field test of the present invention is set at the demonstration base of agricultural environment comprehensive experiment in Shunyi District, Beijing (116°92'~116°94'E, 40°05'~40°06'N). The study area belongs to the warm temperate semi-humid continental monsoon climate, with an annual average temperature of about 11.5°C, an annual average precipitation of about 625mm, an annual sunshine of about 2750 hours, and a frost-free period of about 195 days. The main cropping system in the study area is winter wheat-summer maize double cropping system. For the location map of the research area, see figure 1 .
[0062] In order to obtain winter wheat observation crops with different growth and growth states, considering that the current growth and yield of winter wheat in the research ar...
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