1. 最适合种树的季节为什么是春天?
答:liyuchenghuo。zhishushifouyiyuchenghuoguanjianzaiyugenxishifouwanhao,yepianshifoushidang,shuishifouchongzu。dongtianyuqiutian,yepiandaliangtuoluo,shumudaixiejianhuan,buliyuchenghuo;xiatianwendugaozhengtengzuoyongda,shumiaoyizaigenxijiuhuishousun,daliangzhengtenghuishishumiaogankuzhisi,buyichenghuo。chuntianxiangduijiaoweishiyizhongzhi,danyeyaogenjudangnianchunjideqihoutiaojianhezhongmiaoshengtaixixinglinghuojueding。
① luoyeshumuyizhidezuijiariqiweitudijiedonghoushumumengdongqian,yue3yuezhongshangxun,zheishiyizhiduishumudesunshangzuixiao,yizhibujiujiujinrushengzhangwangshengqi,shumuzaiyizhiguochengzhongshoudaodesunhaihuifujiaokuai,suoyi,jiang 3.12 dingweizhishujieyeshizheigedaoli。
② haiyouyixiexuyaojintiefayaqiyizhideshuzhong,rufatongzhongzhizai4yueshangxun。
③ lingwai,haiyouyixiebixuyaozaimiaomukaishimengdong、dingyaweilulvyeshicainengyizhi,rucihuai、hehuan、baila、chouchun、ziwei、kuliandeng,yizai4yueshangxunyizhi,zheixieshuzhongshutidongjihanshuiliangshao,yizhiguozaoqiwendi,duanshijianneibunenghuifushengzhang,yizaochengzhitiaogankusimiao。
2. 为何移栽树木时要剪掉一些枝叶?
答:a. jianshaoshuifendesanshi,tigaoyizaichenghuolv b. fangbianyunshuhezaizhi。
3. 刚移栽的树木树干上包满了草绳,外面还用塑料膜密封,是什么原因?
答:shumubaocaoshenghebomodezhuyaozuoyongweilezaixiajikedidanglieribaoshai,dongjikefangzhidongshangshugan,xiayulekegaishuibaoshanghanyangshuifen。
4.阴天或雨天后移栽树木存活率更高些,为什么?
答:a.jiangdizhengtengzuoyong b.jiangdiguanghezuoyong
5. 树木为什么在移栽后长出新叶子后又慢慢落叶,甚至慢慢从树尖开始枯死?
答:chuqihuodehao,bushizhenzhengdehuo,ershishukaotineiyuanyoudeyangfenjishuifenweichishengmingdejixiang,ruguogenxizaijiexialaimeiyouyanghuhao,jiaoshuiguoqinjihuifulan,daozhiyangfen、shuifenshusongbushang,zhizhuyinshuifen、yangfendequefaerkuweisiwang,zheizhongyuanyindaozhidekusishibukewanjiude。
6. 为什么好多树木在移栽时根部必须带很多的土?
答:zhuyaoweiletigaozhiwuchenghuo,songboleidenghenduozhiwuxuyaodaiyidingtuqiu,yinweiqigenbuyijingzaituranglipailiekuosanhao,budaitugenbubunengyuturangquanbujiechu。danshiyeyouhenduoshumubuxuyaodaitu,biruyushulei、bailalei、huohe、jindanzidenghaoduoshumushenggenlihenqiang,zhiyaodaiyibufengenjiuxing,buxuyaodaiturang。lingwaizhiwuzaiyunshuguochengzhongxuyaobaochishuifen,daitushihenhaodebaoshuibanfa。
7. 裸根移栽树木的根系如何处理?
答:luogenyizaigenxijinliangbaoliuduoyixie。bagenxiyongshuipaoshi,yongsuliaodaizhuangzhugenbu,shigenbuzaiyunshuzhongbaochiyoushuifen。zaizhongshijianggenxishuzhan,tianmantuhou,qingqingshangtishumu,ranhoujiangtuzashi,jiaoshui。
8. 为什么树木移栽时都把向阳的树枝给砍了?
答:yinweiyizaiguochengzhonghuisunshangshugen,daozhishuxishoushuifendenenglixiajiang,erxiangyangdezhiyehuidaliangzhengtengshuifen,weilebaozhengshuifengouyong,jiuyaokandiaoxiangyangdezhiye。
9. 大苗在移栽前为什么要对根系进行修剪?
答:a. bianyuyizai b. tigaochenghuolv,xuyaozhuyideshi,genxixiujianbingbushiyicuerjiude,yeyaofenjieduanjinxing。
① 掘苗时修剪
dangyuanlingongrenwamiaoshi,tieqiaohuijigenxidailaixuduoshangkou。ruguobujishibaduangenshangdeshangkoujianpingjianqi,miaomudingzhihouyidanshuifenguoduoerzaochengtucengqueyang,jiuhuizaodaofushengjundejishengershigenxifulan。duixugenjiaoduodehuaguanmulaishuo,dingzhiqiankeyiyongfenglidechudaojiangqiqieqi,zheiyangbudanbianyuyizai,hainengtigaochenghuolv。
② 移植前修剪
zaiyizhidamiaodeqianbannian,zuihaoxianjinxingyiciqiegen,zheiyangkeyidadajianshaogenxidesunshang。qiegenfanweiyinshuzhongbutongerbutong,kuoyeshudeqiegenfanweiyilvedayushuguanzhijingweizhun。zaiyizaichanglvzhenyeshuzhongdedamiaozhiqian,duiyousong、baipisong、wuzhensongdengshuguankuankuodeshuzhong,qiegendefanweiyingbishuguanzhijingda1/3zuoyou;duiguibo、cebo、longbodengshuguanchengzhuxinghuoyuanzhuixingdeshuzhong,qiegenfanweiyingweishuguanzhijingdeyibeizuoyou。
genxixiujianyaobawohaoshiji。zaiyiniandangzhong,zhiyaoturangmeiyoudongjie,doukeyiduigenxijinxingxiujian,danyizaochunxinyamengdongzhiqianweizuihao。zheishiqiegen,laogentingzhiyanzhang,nengcuqifashenggengduodexingen、bingyouchongzudeshijiangongshangkouyuhe。weiyimiaoerjinxingxiujian,yinggenjuyimiaoqilaijueding。ruguonizhunbeizaiqiujiluoyehouyizaidamiao,qiegendeshijianjiubuyaotaizao,zhiyaotiqianyigejidujiuxingle。ruguonizhunbeizaizaochunyizaidamiao,zeyingzaitounianrudongqiande2zhi3geyuejinxingxiujian,jishangkouyuheliuchushijian。