配制化学农药不妨加点米醋在盐碱土和石灰性土壤地区的河水、池水、泉水、井水水质多呈弱碱性，用这种水配制化学农药往往会降低药效。如配制乐果、马拉松、敌百虫、甲胺磷等乳剂农药，易产生沉淀，破坏农药的乳化性能：配制叶蝉散、这灭威等可湿性粉剂农药，会降低药液均... Preparation of chemical pesticides may wish to add some vinegar in the saline soil and calcareous soil areas of river water, spring water, well water quality mostly alkaline, with this water preparation of chemical pesticides tend to reduce the efficacy. Such as the preparation of dimethoate, marathon, trichlorfon, methamidophos and other emulsion pesticides, easy to produce precipitation, destroy the emulsifying properties of pesticides: preparation leafhopper powder, which destroy the WP and other wettable powder pesticides, will reduce the liquid ...