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时间:2018-04-15
《毛乌素沙地樟子松套篓造林成效研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、第43卷第3期西部林业科学Vol.43No.32014年6月JournalofWestChinaForestryScienceJun.2014毛乌素沙地樟子松套篓造林成效研究*11123344王俊波,漆喜林,李战刚,朱序榆,叶竹林,张东忠,袁思安,李根前(1.陕西省防护林建设工作站,陕西西安710082;2.榆阳区绿化办,陕西榆阳719000;3.横山县绿化办,陕西横山719100;4.西南林业大学,云南昆明650224)摘要:针对毛乌素沙地造林受到风沙危害、干旱缺水、土壤贫瘠、动物干扰等多重环境
2、胁迫问题,在榆林市开展“套篓造林”技术试验,并对其生长量和土壤性状进行测定。结果表明,套篓造林保存率高达96.67%,比不套篓提高30%,树高、地径、冠幅生长量和地上生产力分别提高36.7%、42.37%、48.33%和292.59%,且该技术具有减轻风蚀沙埋、保持土壤水分、改善土壤养分、阻止动物危害等多重功效,从而显著提高了造林成效。关键词:套篓造林;土壤储水量;养分含量;造林效果;樟子松;毛乌素沙地中图分类号:S791.253文献标识码:A文章编号:1672-8246(2014)03-0011
3、-05TheEffectionofPinussylvestrisvar.mongolicaPlantationbyUsingBasketinMuUsSandyLand11123WANGJun-bo,QIXi-lin,LIZhan-gang,ZHUXu-yu,YEZhu-lin,344ZHANGDong-zhong,YUANSi-an,LIGen-qian(1.ShanxiProvincialWorkstationofShelterForestConstruction,XianShanxi71008
4、2,P.R.China;2.YuyangDesertControllingandGreeningOffice,YuyangShanxi719000,P.R.China;3.HengshanDesertControllingandGreeningOffice,HengshanShanxi719100,P.R.China;4.SouthwestForestryUniversity,KunmingYunnan650224,P.R.China)Abstract:Fordealingwithmultiple
5、environmentthreatsfromsandstorm,droughtweather,poorsoilandanimalinterferenceinforestplantationofMuUssandyland,anewplantationtechnologybyusingbasketwereappliedinYulingcity,andseveralkeyindicatorssuchastreegrowth,soilpropertiesandbiodiversityindexwereme
6、asured.Theresultsshowedthatthesurvivalrateafterusingbasketwasimprovedto96.67%,improved30%comparedwithnone-basketplantation,indicatorsontreeheight,grounddiameter,canopycoverageandabove-groundpro-ductivitywereallimproved36.7%,42.37%,48.33%and292.59%resp
7、ectively.Inaddition,thisplanta-tiontechnologyplaysamultiplefunctionroleinreducingwinderosionandsandburial,keepingsoilmoisture,im-provingsoilnutrient,andpreventinganimalinterference,thereforethistechnologyimprovedtheeffectionoftreeplantationinMuUssandy
8、land.Keywords:treeplantationwithbasket;soilwatercontent;soilnutrientreserves;effectionoftreeplantation;Pinussylvestrisvar.mongolica;MuUssandyland[1~11]毛乌素沙地造林面临多重环境胁迫,除了风蚀等也严重影响造林效果。针对这些问题,通沙埋,降水稀少、蒸发强烈、土壤贫瘠、动物危害常采用搭设沙障、浇水覆膜、施肥或混交、喷洒药*收稿日期:201
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