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在相同施氮量下长效涂层尿素比普通尿素增产11．6％；长效涂层尿素在减少施用量15％的情况下，肥效与普通尿素相同；长效涂层尿素在拔节期一次追肥，与普通尿素在拔节期和抽雄期两次追施具有相同肥效。
Under the same nitrogen application rate, the long-term coating urea increased 11.6% compared with that of ordinary urea; the long-term coating urea had the same fertilizer efficiency as ordinary urea under the condition of reducing the application rate of 15% Topdressing, with ordinary urea in jointing and tasseled two times with the same fertilizer effect.