根据全国31个省、自治区、直辖市植保站农药需求预测统计，1998年全国农药需求总量按有效成分计为23万吨（商品量为69万吨），比上年增加1．66万吨。其中杀虫、杀螨剂13．2万吨（商品量42．2万吨），比去年减少0．4万吨，占农药总量的58．1％；杀菌剂5．96万吨（商品量14．4万 According to the prediction of pesticide demand of plant protection stations in 31 provinces, autonomous regions and municipalities directly under the Central Government, in 1998 the total demand for pesticides in the country was 230,000 tons (the volume of products was 690,000 tons) based on the active ingredients, an increase of 16,600 tons over the previous year. Among them insecticides and acaricides 132,000 tons (422,000 tons of goods), a decrease of 4,000 tons over the previous year, accounting for 58.1% of the total pesticides; bactericide 59,600 tons (commodity Amount of 144,000