A risk assessment method for leaf-eating agricultural pests
A risk assessment and leaf-eating technology, applied in the field of artificial intelligence research, can solve the problems of long investigation cycle, insufficient timeliness, insufficient regional representation, etc., and achieve the effect of low disaster losses
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[0058] The method for assessing the risk of leaf-eating agricultural insect pests of the present embodiment comprises the following steps:
[0059] The method for assessing the risk of leaf-eating agricultural insect pests of the present invention comprises the following steps:
[0060] Step 1. Establish a risk assessment model formula: R=D×E×P;
[0061] Among them, R: pest disaster risk; D: destructive power of hazard-causing factors; E: exposure degree in biological hazard-causing factors; P: hazard-forming environment.
[0062] Step 2. Select the risk area to be assessed, and calculate the exposure in biological hazards.
[0063] Step 2.1. Count the sowing area of the year, the largest sowing area in the past 20 years, and the minimum sowing area in the past 20 years in the risk area to be assessed, and calculate according to the following formula:
[0064]
[0065] Cr is the crop sowing area index, and the calculated Cr value is looked up in the table to obtain the co...
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