A heterotrophic nitrifier, named strain HN, was isolated from the greenhouse soil. The cells of isolates were Gram positive, rod or coccus.
从大棚土壤中分离到一株异养型硝化细菌，命名为菌株HN ，分离菌株为革兰氏染色阳性，球状或杆状。
The strain was gram negative, ellipse cell, no spores and no flagellum.
菌株细胞呈椭球形，革兰氏阴性，不产芽孢，无鞭毛。
Staphylococcus is the main strain of gram-positive bacterias.
结论血培养阳性细菌株以革兰氏阴性菌为主。
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