河北是著名的梨果产区,但近年来随着人们盲目施用无机肥、滥用除草剂等农药,土壤中重金属超标,土壤中微生物环境被破坏,导致梨树根腐病发病数量呈现快速上升趋势。今年2月份,陕西杨凌绿都生物科技有限公司(以下简称绿都公司)在赵县梨区做了大规模的田间试验,目的只有一个——防治根腐病。短短两个月的时间,绿都公司推出的“三 Hebei is a famous pear fruit producing area. However, in recent years, with the blind application of inorganic fertilizers and the abuse of pesticides such as herbicides, the excessive heavy metals in the soil and the destruction of the microbial environment in the soil led to a rapid increase in the incidence of root rot . In February of this year, Shaanxi Yangling Lvdu Biotechnology Co., Ltd. (hereinafter referred to as Lvdu Company) conducted a large-scale field experiment in Zhaoxian Liupu with only one purpose - to prevent root rot. Just two months time, Green all the company launched ”three