The prediction of pesticides usage based on PSO algorithm

According to the data of the 18 cities and counties pesticide usage and tropical crops area of HaiNan province from 2003 to 2010, the prediction model is established based on the particle swarm optimization algorithm. From the fitted curve the trend direction about pesticides usage with the time course of change is clearly observed. The result can be used to provide a reference for department of pesticide monitoring, management and decision-making.