一、大树的作用有哪些?
1、shumukeyibaochishengtaipingheng
yinweishumukeyitongguoguanghezuoyong，xirueryanghuatan，huchuyangqi，suoyijiukeyirangkongqibiandegengjiaxinxian、qingjie。judiaocha，yimushulinshifangchudeyangqikeyigongliushiwugerenhuxi。youcikejian，shumuhewomenrenleideshengcunshixixixiangguan，bukefenlide。
2、树能防风固沙
youyushumudegenbuxuyaogonggu，suoyikeyixirudaliangfenchen，tongshiyenenghanyangshuitu。julejie，yimushulinmeiniankeyixirufenchen20—60dun。qishi，zaiwomenderichangshenghuozhong，renmenluankanluanfadexianxiangshifenpubian，suoyiyouyixiedifangyeyinqilehongzai，qizhuyaoyuanyinjiushishiquleshumudebaohu。
3、其他作用
wuyongzhiyishumuhaikeyijianshaozaoyinwuran，40mikuandelindaikeyijianruozaoyin10—15fenbei;shumudefenmiwuyekeyishasixijun，yibanqingkuangxia，kongdimeipingfangmizhongjuyousan、siwangexijun，ersenlinzhiyousan、sibaige。ciwai，dashuhaikeyijiangdiwenduyijitigaoshidue!
二、如何保护树木?
大树的作用younaxie?xiangxindajiadouxinzhidumingleba!buguo，henduorendoubuzhidaoruhebaohushumu?dajiaqingkanxiamiandefenxi：
1、不乱砍伐树木
yinweihuacaoshumushidazirandelvsepingzhang，suoyiwomenyinggaicaiquyixiebaohucuoshi，erbushisiyijiantata。biruluankanluanfa，jiuhuizaochengshuitudaliangliushidengdeng。
2、冬天保护措施
zaiyinzhuangsuguodedongtian，womenjiukeyishiyongshengzilaiweizhushugan，rangtayuanlilengfengdexiji。tongshijishuganweishanghouhoudeyiceng，yekeyirangshuganqunuan，congerbimianshugancunliedeqingkuang。
3、不乱摘树叶
suizheshidaidejinzhan，daduoshurendoushifenxiangwanglvsedeshenghuole。danshi，bushaorenweilemanzuzijineixindeyuwang，jiuhuixuanzezaishuzhishangdangqiuqian。danshi，zheiyangdezuofahuiduidashuzaochengyanzhongdesunhuai，birushuyetuoluo、shuzhizheduandengdeng。yincidajiaqianwanbuyaozaishuzhishangdangqiuqiane!
文章结语：上文给大家介绍了大树的作用younaxie，yijiruhebaohushumudexiangguanzhishi，xiwangnenggoujidaodajiayixiebangzhu。jiranwomenyijingzhidaoledashudezhongyaoxing，suoyizairichangshenghuozhongjiuyaocongxiaoshizuoqi，yiqibaohudashue!
