Page 222 - 《水资源与水工程学报》2022年第4期
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                fertilizer(42.46kg/kg),agronomicutilizationrateofnitrogenfertilizer(15.46kg/kg),aswellasthe
                apparentutilizationrateofnitrogenfertilizer (47.79%)ofwinterwheatwerethehighest.Moreover,com
                paredwithN1andN2treatments,thedrymatteraccumulationofN5treatmentincreasedby11.40% and
                9.20%,theabovegroundnitrogenaccumulationincreasedby24.08% and11.49% andtheyieldin
                creasedby22.41% and11.00%,respectively.TheresidualamountofnitratenitrogenintheN5treat
                mentof0-40cmsoillayerwasthelargestatharvesttime,whichwasincreasedby1.30% -19.52%
                comparedwithotherfertilizationtreatments.Tosumup ,thecombinationof75% slowreleasenitrogenfer
                tilizerand25% ureatreatmentisthebestfertilizationschemeforhighyieldandhighfertilizerutilization
                efficiencyofwinterwheat.
                Keywords:winterwheat;slowreleasenitrogenfertilizer;yield;soilnitratenitrogen;nitrogenutilization
                efficiency
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