The amounts of aerohic azotobacteria, ammonifiers and anti-nitrifiers were lower in CRNF application than those in urea application.

• 控释氮肥配施有机肥，土壤好氧自生固氮菌、氨化细菌、硝化细菌、反硝化细菌的数量均高于控释氮肥和70%25控释氮肥处理。