Insect-preventing and disease-preventing liquid medicine spraying device and method for citrus planting

The invention provides a citrus planting insect-prevention and disease-prevention liquid medicine spraying device and method, the citrus planting insect-prevention and disease-prevention liquid medicine spraying device comprises a support, the top of the support is fixedly connected with a mixing tank, and the outer surface of the support is fixedly connected with a pull rod. The liquid can be quantitatively discharged, quantitative extrusion can be carried out according to the proportion of the liquid, proportion adjustment becomes convenient, a user can timely blend liquid medicine without blending in advance, the height of a spraying structure can be adjusted through a rapid adjusting structure, and a pipeline can be taken down for fixed-point spraying. Spraying adjustment is convenient and fast, liquid medicine can be pushed at a fixed point through space pushing in the container, liquid can be quantitatively conveyed, and the effect of precise blending is achieved. 本发明提供了一种柑橘种植防虫防病药水喷洒装置以及喷洒方法，包括支架，支架的顶部