埃及莫希托霍农学院的研究人员于1974—1975年和1975—1976年间,在莫希托霍地区对“Mexipack69”小麦每公顷分别施给0、48、96、144和192公斤氮肥,并且于播种后180天的完熟期或推迟10天进行收割田间试验结果表明,麦粒产量随施氮量的增加而提高,其中施以最 Researchers at the Mohontoh Hohenon College in Egypt donated 0,48,96,144 and 192 kilograms of nitrogen fertilizer per hectare of “Mexipack69” wheat in the Mohittoh area between 1974-1975 and 1975-1976, respectively, and Field trial of 180 days after sowing or postponing 10 days showed that grain yield increased with the increase of nitrogen application rate,