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一九七二年在广东肇庆市召开全国生物防治协作会议后,我们及时邀请了有关地区农科所、生产建设兵团、农业院校等十多个单位进行了传达,并研究制定了我省的生防协作计划,具体安排了任务。一九七三年五月中旬起,各单位相继开展了田间和室内试验,全省由东至西共设点十五个。我所为参加联合试验的单位提供了白僵菌2号、5号各五十斤,含菌量分别为31.5亿/克,91.5
In 1972, after the national biological control conference was held in Zhaoqing, Guangdong, we promptly invited over a dozen units including the Agricultural Science Institute, the Production and Construction Corps, the Agricultural Institutions, etc. to conduct the communication and studied the formulation of the Biocontainment plan, the specific arrangements for the task. Since mid-May 1973, all units have carried out field and indoor experiments in succession. The province has a total of 15 establishments from east to west. The units that I participated in the joint trial provided Beauveria bassiana No. 2 and No. 5, each weighing 50 catties, with the bacteria contents of 3.15 billion / g and 91.5