The azotobacteria in the rhizosphere of Leymus chinensis and Agropyron mongolica were separateda, nd their activities were measured by the methods of dilution-plate method and etylene reduction assay.
利用平板划线法和乙炔还原法对羊草和冰草根际固氮菌进行分离和固氮活性的测定。
The azotobacteria in the rhizosphere of Leymus chinensis and Agropyron mongolica were separateda, nd their activities were measured by the methods of dilution-plate method and etylene reduction assay.
利用平板划线法和乙炔还原法对羊草和冰草根际固氮菌进行分离和固氮活性的测定。
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