This research was carried out to find out the residual effective toxic Contents of systematic insectic ides to the chinese cabbage, and the following result was obtained.
Although systematic insecticide "Metasystox" would be applicated at line of 30d...
This research was carried out to find out the residual effective toxic Contents of systematic insectic ides to the chinese cabbage, and the following result was obtained.
Although systematic insecticide "Metasystox" would be applicated at line of 30days before the harvest, the residual amount of toxic contents was 1.75ppm(this contents amount to more than the allowable amount of 0.75ppm) and it will be need to waite more than 10 days for the safe use of Chinese cabbege according to the tendency of "tabl-2".