??xml version="1.0" encoding="UTF-8"?> 国产成人精品久久亚洲高清不卡,67pao国产成视频永久在线观看,日韩一中文字幕在线视频,a级黄色毛片在线观看,美日韩日少妇黄色一级片,国产熟睡乱子伦视频观看看,欧美在线一区观看,亚洲欧美成人影院 Fri, 21 Aug 2020 03:27:44 +0000 zh-CN hourly 1 /wp-content/uploads/2020/08/cropped-ico-32x32.png 行业新闻-淄博奥景园艺有限公司 32 32 编为大家简单介l几U判断树(wi)木年龄的Ҏ(gu) /archives/46 Thu, 20 Aug 2020 02:04:00 +0000 http://www.x33666.com/?p=46     用年轮测?wi)龄是一U方法,但不能想知道?wi)多年q了它吧?一个常用的Ҏ(gu)是看它的枝qԌ从上往下看。一q生枝二q生枝,三年生枝Q由此来推算L的年龄。由此推断出?wi)的大概q龄?/p>

    算古树(wi)的年龄比较复杂,要采用碳14交叉定位的方法来算Q先用专业的仪器在古?wi)上取样Q测出古树(wi)的大致年?׃用这U方式测出来的旉误差较大Q还需要借助一些辅助手D,一些有文字记蝲的、树(wi)龄准的相同cd的树(wi)木进行抽样分析,包括?wi)木成长的环境、土壤、该地区的降水情늭{?Q在此基上,~写Z定的公式Q根据碳14的分析结果相互参照,然后计算出古?wi)的q龄?/p>

    目前国际上通行的古?wi)测定方法有三种Q一是在?wi)干上打|Ҏ(gu)q轮定?wi)龄Q二是CT扫描法,但CT是一U射U,Ҏ(gu)(wi)木有影响Q而且讑֤贵, 定成本高;三是考古学上普遍采用的炭14定法,也需要在?wi)木上打|而且误差?0q以?/p> ]]> 爱护环境q绿化环?Zh有责 /archives/44 Thu, 20 Aug 2020 02:03:39 +0000 http://www.x33666.com/?p=44     当今C会(x)Q经虽有所提高Q但是环境气候却逐渐恶化。许多城市ؓ(f)H出自己的发展,׃断砍伐树(wi)木加q资源。爱护环境、绿化环境我们每个h都要行动h?/div>

    城市道\在城市中h举轻重的作用。别墅庭院设计施工修剪是?wi)木抚育理的重要措施之一Q通过修剪Q能调节和均衡树(wi)势,使树(wi)木生长健壮、树(wi)形整齐、树(wi)姿美观,更重要的是能提高新移植树(wi)木的成活率。改善道路上的卫生环境,减少污染城市道\上汽车的气、噪韛_(qing)烟尘对环境的污染是相当严重的。而在道\沿线两侧U植乔木、灌木?a >花卉、地被营造园林景点,不仅可以吸收有毒气体、杀灭特D结构、吸收尘埃、减噪韟뀁美化公路通道环境Q给Z的享受Q而且可以E_路基、遮荫\面、增加道路的使用寿命?/div> ]]> 假山上色的过E中需要注意哪几点 /archives/42 Thu, 20 Aug 2020 02:03:18 +0000 http://www.x33666.com/?p=42     众所周知Q在制作假山的过E中着色是十分关键的,着色会(x)影响到庭院假qM实际效果Q下面一h了解一?a >庭院假山着色的Ҏ(gu)吧!
    混凝土庭院假山可以不可以模拟仿真Q关键所在石面抹整体面层的原材料、色调和施工技术水准。要模拟仿真Q还要尽可能选用同样的色调,q根据用心的攉和石面裂痕、菱角的用心营造,使石面具备真实的层次感?/div>
    用以攉的؜合砂理应依据所仿制矛_cd的具有色调,增加一些色调配成有色板块的。比如,要仿制灰黑色的岩层,能够在一般深灰色混合砂浆里加黑Q以黑灰色的混合砂浆攉Q要仿制淡黄色板岩,则应在؜合砂中d青柠檬铬黄?/div> ]]> 南方正值多雨季?园林L何去何从 /archives/40 Thu, 20 Aug 2020 02:02:59 +0000 http://www.x33666.com/?p=40     q期Q南斚w劉K渐加强Q未来至会(x)?个雨季。按此算法,南方下半q至将有一半以上的旉是在下雨。大范围的降雨势必会(x)D许多室外植物出现U水而烂根的情况Q也l日常园林养护带来了许多困难。那么,面对多雨季节Q该如何做好园林L工作呢?
    一、排水。在长时间的多雨天气后,土壤含水量饱和甚臛_面积_(d)一般不利于园林植物生长Q应?qing)时q行排水。否则土壤含水量q多Q容易引h物根p腐烂。面对这U情况,理人员往往?x)选择提前挖排水沟、疏通排水设施、地表松土等措施q行排水?/div>
    二、灌溉。雨季土壤中水分往往出植物生长需求。但短时间的大暴雨后天晴Q雨水大多流失,土壤中含水量q不多,而此时植物叶面蒸腾作用旺盛,要及(qing)时进行补水灌溉。因此,雨季园林L务必要排灌结合?/div>
    三、科学追肥。雨季一般不q行q肥Q特别缺肥时Q也应掌握好度。追肥适宜量多次Q稀施薄施?/div> ]]> 大家在选择行道?wi)时应注意哪四?/title> <link>/archives/38</link> <dc:creator><![CDATA[esion]]></dc:creator> <pubDate>Thu, 20 Aug 2020 02:02:34 +0000</pubDate> <category><![CDATA[行业新闻]]></category> <guid isPermaLink="false">http://www.x33666.com/?p=38</guid> <description><![CDATA[ 一般来Ԍ行道?wi)是指种在道路两旁?qing)分R带,lR辆和行h遮荫q构成街景的?wi)种。道路绿化作为城市绿地系l的|络?[…]]]></description> <content:encoded><![CDATA[<div> 一般来Ԍ行道?wi)是指种在道路两旁?qing)分R带,lR辆和行h遮荫q构成街景的?wi)种。道路绿化作为城市绿地系l的|络和骨Ӟ成ؓ(f)pȝq箋性的主要构成因素Q直观反映城市的风貌。在<a >行道?/a>的选择应用上,城区道\多以l荫如盖、Ş态优的落叶阔叶乔木Z。而郊区及(qing)一般等U公路,则多注重速生ѝ抗污染、耐瘠薄、易理{养护成本因素?/div> <div>    一、选择适应性强、苗木来源容易、成zȝ高的?wi)种?/div> <div>    二、树(wi)龄长、干通直、树(wi)姿端正、体形优、冠大荫、花朵艳丽、芳香郁馥、发芽早、落叶迟、叶色富于季相变化的?wi)种?/div> <div>    三、花果无臭味、无飞Q、飞_、落p果不打伤行hQ无污染的树(wi)U?/div> <div>    四、耐修剪、愈合力强?/div> <div><img class="alignnone" src="https://www.sdajyl.com/uploads/allimg/200729/2-200H9151RL43.jpg" alt="行道? width="601" height="327" /></div> ]]></content:encoded> </item> <item> <title>奥景园林告诉你如何保证苗木的成活?/title> <link>/archives/36</link> <dc:creator><![CDATA[esion]]></dc:creator> <pubDate>Thu, 20 Aug 2020 02:01:42 +0000</pubDate> <category><![CDATA[行业新闻]]></category> <guid isPermaLink="false">http://www.x33666.com/?p=36</guid> <description><![CDATA[    有时Q一些苗木在UL后会(x)大量MQ其实是在移植时没带土球Q带土球UL?x)苗木成活率高Q生长快。栽时如?[…]]]></description> <content:encoded><![CDATA[<div>    有时Q一些苗木在UL后会(x)大量MQ其实是在移植时没带土球Q带土球UL?x)苗木成活率高Q生长快。栽时如何带好土球呢Q?/div> <div>    要带母土土球Q母土是指苗木原生长地根pL处的土壤。只有带母土土球Q才能在ULq程保护土球内根pM要损伤,l持植株与原生地土壤环境已Ş成的q协调关系Q把有益于植株生长的菌根、微生物随植株同时迁徒到定植区。小苗移栽带招_大的土球卛_Q大?wi)移栽需带数立方c的土球才行Q正常土球的大小应该是树(wi)苗直径的8倍以上?土球一般ؓ(f)圆Ş、椭圆Ş、圆锥Ş、方形等。具体采用何UŞӞ应根据不同种c花木的根系分布方式而定Q以能较小的土球保护较多的根系为原则。土壤干燥时Q挖掘前先灌水有利于挖掘和带土球。小土球装入塑料袋裹。储q过Eؓ(f)防止土球q裂破碎Q注意洒水保湿,用苫布或草帘遮盖Q避免剧烈震动和风吹日晒?/div> <div>    埋植时要在保?a >土球</a>完整的情况下Q去除不易分解腐烂的包装物,不要直接t踏或用物?yn)L土球Q封土从四周夯实?/div> ]]></content:encoded> </item> </channel> </rss> <!--2024/1/6 22:17:47--> <a href="http://www.x33666.com/">亚洲欧美另类在线区,亚洲无码一区二区三区动漫,免费精品久久久久久中文字幕,99re 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