施肥对红花油茶生长与土壤养分的影响

Leaf Stomata and Wax of Different Tea Flowers were Differentiated Under Drought Stress

摘要:

施肥对红花油茶生长与土壤养分的影响

Abstract:

Toexploretheefectsofcompoundfertilizercombinedwithbio-organicfertilizeronthegrowthandsoilnutri- entsoflow-yieldforestCameliachekiangoleosathelow-yieldforestC.chekiangoleosaforestinShouningCountyandxi- apuCountyafterfulcutingtransformationweretakenastheresearchobjects.Fivefertilizationtreatmentsandcontrol (CK) weresetuptotesttheresponseofgrowthandsoilnutrientchangesofC.chekiangoleosatoeachfertilizationtreat- ment.ThetreheightandcrownwidthofBaixianmutestsiteincreasedsignificantly,whichwere12.7 cmand12.9 cm. Themaximumfloweringamountwas293flowersperplant.Theavailablephosphorus,availablenitrogen,andavailable potasiumwere1.5 times,1.6 times,and2.4 timeshigherthanCK respectively.Thetreheightandcrownwidthof Badouqiuexperimentalsitecanreach12.9 cmand14cm,andthemaximumfloweringamountis370flowersperplant. Theavailablephosphorus,availablenitrogen,andavailablepotasiumare1.7 times,1.3 times,and1.8 timesofCKre- spectively.AlfertilizationratioscanpromotethegrowthofC.chekiangoleosa,andincreasethecontentofsoilnutri- ents.Thefertilizationratioofmediumandlowlevelsismoresuitableforitsgrowth.Thisstudyprovidesausefulrefer- enceforimprovingtheyieldofnaturalsedsowingandregenerationstandundertheforestandimprovingthesoilfertility ofC.chekiangoleosa.