Investigation on the usage of pesticides in nanchang of city and the control methods

The investigation of the pesticides usage is made in the administrative departments and circulating units of pesticide and vegetable, and several vegetable production bases in Nanchang city. The results indicate that some pesticides usually used are methamidophos, dimethoate, parathion-methyl,cypermethrin, carbofuran in turn, which cause high pesticide residue in the vegetable. The pesticides are used without any technological guidance,and the method of spreading pesticides is unnormal. At the same time,some control methods are discussed in this paper.