Xi Feng and Geng Jie belong to the same category, Wei Bao belongs to the same category, and she loves jade and worries about it, each with its own characteristics. 1. Geng Jie is a prescription of mesotrione * atrazine, which is characterized by quick response, especially for gramineous weeds that turn green and white in 2-3 days, but the disadvantage is that the weeds turn green in rainy weather. 2. Wei Bao is the formula of mesotrione * atrazine, which is characterized by being effective against broad-leaved weeds in Gramineae, and the compound atrazine has synergistic effect.