2005年,我区植保站受四川联达植保有限责任公司委托,在柑桔上进行施用速乐硼的示范,目的是验证美国硼砂集团生产的20.5%速乐硼对柑桔的增产效果,为大面积推广使用提供依据。一、示范的基本情况示范地选择在碑记镇半月村13社李贵华等12户农户密桔地,面积共35.6亩(1亩=1/15公顷, In 2005, the plant protection station in our zone was commissioned by Sichuan Lianda Plant Protection Co., Ltd. to carry out the demonstration of applying boron in the citrus. The purpose is to verify the effect of the 20.5% sodium boron in the United States produced by the borax group on citrus yield, which is To promote the use of large areas to provide the basis. First, the model of the basic situation Demonstration to select a half of the village in the town of 13 clubs Li Guihua and other 12 households dense orange, an area of ​​35.6 acres (1 mu = 1/15 hectares,