Summary:Long-termapplicationsofinor-ganicfertilizersandfarmyardmanureinflu-enceorganicmatteraswellasothersoil-qualityparameters,butthemagnitudeofchangedependsonsoilclimaticconditions.Effectsof22annualapplications(1982~2003)ofN,P,andKinorganicfertilizersan (共 35127 字) [阅读本文] >>