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玉米联合固氮菌是继小麦根际联合固氮菌之后,河北省科学院微生物所研制的又一种新型生物固氮剂。为鉴定该菌剂在我省的适用条件及增产效益,以便确定其推广价值,1989年我站组织部分地(市)、县农技推广部门进行了夏播玉米联合同氮菌的拌种试验。1989年,分别在郑州市、开封市、新乡市、南乐县及邓州市等地,选择具有灌溉条
Azotobacter is a new type of biological nitrogen-fixing agent developed by Institute of Microbiology, Hebei Academy of Sciences, following the combination of nitrogen-fixing bacteria in wheat rhizosphere. In order to identify the applicability of the fungicide in the province and increase production efficiency in order to determine the value of its promotion, in 1989 I station organized part (city) and county agricultural extension departments conducted summer sowing corn and nitrogen bacteria dressing test . In 1989, respectively, in Zhengzhou City, Kaifeng City, Xinxiang City, South County and Dengzhou City, with a choice of irrigation