山地苹果园优势杂草种群对土壤养分影响初探
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关键词苹果园；杂草种群；土壤养分；昭阳中图分类号S451 文献标识码A文章编号 0517-6611（2025）17-0154-04doi：10.3969/j. issn. 0517-6611. 2025. 17. 033开放科学（资源服务）标识码（OSID）：
A Preliminary Studyon the Effects of Dominant Weeds Populations on Soil Nutrients in Mountain Apple Orchard MAYong-cui，WANGTao，RENLi-wei²etal（1.Zhaotong UiversityZhaotong，Yuan657;2.YuanAgriculturalUniversi ty，Kunming，Yunnan 650201）
AbstractObetieToexploretheftsofeedscoolosoilnrgenospus，otassdotrutrentsinmouiple orchard.Method]Teghmountainappleorchardat2379malitueinZhoyang Districtwasselectedasthtstsite.Sloraicae amoniumN，availableP，availableK，soilwatercontent，bulkdensityandpHfsoili4wedspopulationareasofMyosotonquticum， Herbaartimisiaseversiane，Rumexcetosa，Digitariasangunalisandonlearploughingareainspring，sumerandutuf tee applegardeneeeterdintellgentsoilutrientdetetor.Resultewedsineoarddcerainuilayetthea cumulatioofsoilutrients，itouldincreasetheorgaicaterontetoftesoilanddjusttesoilHtobout7AmongtMyosotn aquaticumand Herbaartimisiae sieversianaehad significant effects onsoilorganic mater content;theefecton soil N， P ，and K content in the Myosotonaquaticumareaasetertanthatinoherdareas;RumexcetosacouldincreasetheNontentofthesoil;rcardgashdan impactonsoilbulk density.There wasnosignificant diferenceintheimpact.Thesoilbulk densityoftheorchard wasaroundl .10kg/cm3 ： [Conclusion]Greencoveringinorchardcouldhelpducethuseofchemicalpesticidesandfertlies，andimprovethequalityofaples.
Key wordsApple orchard; Weed communities;Soil nutrient;Zhaoyang
果园中土壤养分指土壤中可被果树吸收的矿物营养成分，是果树良好生长发育的前提，也是果园生态系统正常运行的关键因素之一[。（剩余5948字）
