所屬欄目:土壤科學(xué)與水肥資源利用
Summary:Long-termapplicationsofinor-ganicfertilizersandfarmyardmanureinflu-enceorganicmatteraswellasothersoil-qualityparameters,butthemagnitudeofchangedependsonsoilclimaticconditions.Effectsof22annualapplications(1982~2003)ofN,P,andKinorganicfertilizersan ......(本文共 35127 字 ) [閱讀本文] >>