The results showed that NDSA fertilization with addition of DCD could significantly increase the biomass of celery,while single NDSA fertilization or solo addition of DCD could not raise yield compared to conventional fertilization.

• 结果表明,与常规施肥法相比,NDSA施肥法或添加DCD(双氰胺)增加芹菜产量的效果并不明显,但两者配施(NDSA2-S处理)则可显著提高芹菜产量。