不同比例有機無機肥料配施對水稻種植的影響

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Effects ofCombinedApplicationofOrganicand InorganicFertilizersatDifferentRatios onRiceCultivation JIANG Fan1 ，CHENLiru1，F(xiàn)UQizhou1，ZHOUJiang2，SUNMei1，MENGHao2

（1.YueyangServiceCenterforAgricultureandRuralAairs，Yueyang，Hunan414Oo，China;2.HuarongCountyBureaofAgicu ture and Rural Affairs，Huarong，Hunan 4142Oo，China）

Abstract：ToexploreetechncalmodelsfortecombiedapplicationoforganicadinorganicfertlirsinicecultivationeldtralswereconductedinHuarongcountyapilotcountyforthegrenfarmingandbreedingcircularagricultureproject.Trialswerecarriedoutonrlyddle，ndlateicploingfietreatments：nertlrpplicationonvetioalferiliatio（fsac tice），optimizedchemicalfertilization，combinedapplicationoforganicand inorganic fertilizers （organicntrogenproportion： 15% ）， combined application of organic and inorganic fertilizers （organic nitrogen proportion： 30% ）.Theresults showed that the combined application of organic and inorganic fertilizers increased soil organic matter by over 0.3 g?kg-1 ，total nitrogen by over 0.02 g?kg-1 ，available phosphorus by over 0.6mg?kg-1 ，and available potassium by over 4mg?kg-1 compared to baseline levels.The treatment with 15% organicnitrogensubstitutionproedmostective.Inoclusin，appropriatelyombineganicandioanicfertlizescaniease rice yields，raise soil pH levels，alleviatesoil acidification，enhance soil nutrient content，and improve soil fertility.Substituting partof chemicalfertilizersoanicfertilzescanmproveegronomicciecyoffertiliers，promoteteductioofmicalertilizers and the enhancement of efficiency，and help local farmers change their traditional fertilization habits.

Keywords：rice;pilotgreencirularagicultureproject;diferentratioscombinedapplicationoforganicandinorganicfertlie

水稻是我國的主要糧食作物，我國超過三分之二的人口食用稻米，保障水稻穩(wěn)產(chǎn)增產(chǎn)對國家安全至關(guān)重要。（剩余7575字）