Farmland area planting structure optimization method and system based on multi-source data

The invention relates to the technical field of smart agriculture, in particular to a farmland area planting structure optimization method and system based on multi-source data, and the method comprises the steps: obtaining the multi-source data; step-by-step classification is carried out on the to-be-monitored farmland area data, crop planting appropriate evaluation values of the sub-areas are obtained through calculation, and a to-be-optimized farmland area is determined; performing primary optimization and secondary optimization on the farmland area to be optimized; comparing the optimization result with a target optimization result, and adjusting the evaluation index to obtain an adjusted evaluation value; and calculating to obtain the idle planting area of the optimized sub-region, and feeding back the soil humidity level and the idle planting area of the sub-region to the adjacent production main body. According to the method, the to-be-monitored farmland area data is classified step by step, the to-be-