常見例句The amounts of aerobic and anaerobic azotobacteria were lower in fertilizer treatments than that in CK treatment. 50%25控釋氮肥配施有機(jī)肥処理土壤中細(xì)菌、真菌、放線菌的數(shù)量,明顯高於尿素和單施控釋氮肥処理。The amounts of aerohic azotobacteria, ammonifiers and anti-nitrifiers were lower in CRNF application than those in urea application. 控釋氮肥配施有機(jī)肥,土壤好氧自生固氮菌、氨化細(xì)菌、硝化細(xì)菌、反硝化細(xì)菌的數(shù)量均高於控釋氮肥和70%25控釋氮肥処理。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. 利用平板劃線法和乙炔還原法對羊草和冰草根際固氮菌進(jìn)行分離和固氮活性的測定。Azotobacteria N2106 固氮菌N2106symbiotic azotobacteria 共生固氮菌 返回 azotobacteria