Crop yield estimation method and device, electronic equipment and storage medium
A storage medium and crop technology, applied in the field of crop yield estimation, can solve problems such as unsatisfactory yield estimation results, single phase of modeling images, insufficient consideration of differences, etc., so as to be easy to popularize and use on a large scale, overcome the complex construction process, and quickly estimate. and accurate effect
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[0141] A method for quickly estimating the yield of spring corn based on the optimal vegetation index, specifically comprising the following steps:
[0142] Step 1. Combined with the analysis of the spectral characteristics of spring maize in this county, the key phenological periods for the estimation of spring maize production are determined. The phenological period analysis is shown in Table 1.
[0143] Table 1 The phenological stages of spring maize
[0144]
[0145] It can be seen from Table 1 that spring maize in this county was sown in late April and seedlings emerged in early May. The spectral characteristics here are bare land information. The jointing period began to enter the vigorous growth stage in June, which conformed to the spectral characteristics of vegetation; from mid-July to July The flowering stage and the milky stage in the last ten days belong to the vigorous growth stage of vegetation, which has typical spectral characteristics of vegetation; the ve...
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