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通过对外来5种沙生灌木和1种本地沙生植物进行栽培试验,筛选出适合该地区沙地造林的灌木4种:沙棘、黄柳、小叶锦鸡儿和兴安圆柏;沙地柏和紫穗槐不能露天越冬不适宜本地造林;兴安圆柏是本地濒危沙生灌木,应大量展开育种工作。 相似文献
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沙生灌木削片机进料机构的设计 总被引:1,自引:1,他引:0
内蒙古自治区沙生灌木资源丰富,平茬而得的沙生灌木枝条是很好的人造板原料。目前在鄂尔多斯市地区已建成了1万m3以上人造板生产线8条,累计年产19万m3,年耗沙柳条达30多万t,极大地调动了当地人民群众栽植和管护沙生灌木林的积极性和自觉性,取得了明显的生态效益和社会效益。在已建成的 相似文献
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沙冬青Ammopiptanthus mongolicus (Maxim) Cheng f·又叫蒙古黄花木,冬青,属豆科沙冬青属常绿灌木。分布在我国西北荒漠、半荒漠地带,在气候干旱,土质贫瘠,水份奇缺的生境条件下能正常生长。沙冬青是干旱荒漠区唯一的常绿沙早生灌木,它树形美观、姿态秀丽,也是干旱沙区布设庭院、生篱和盆景的优良绿化、观赏树种之一。据我所测试室分析,沙冬青枝叶含粗纤维27.9%,粗脂肪7.78%,粗蛋白4.28%,并且枝叶味苦性温、有毒,含多种生物碱。另据有 相似文献
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在科尔沁沙地南缘对小叶鼠李、桃叶卫矛和杠柳3种优良乡土沙生灌木进行了播种育苗和造林技术试验,通过对3种灌木的生长表现进行测定,结果表明:3种沙生灌木的生长指标均与对照胡枝子持平或略高于对照,在沙地造林成活率达95%以上,且经济效益可观,示范推广效果良好。 相似文献
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赤峰市西部沙樱育苗技术及栽培表现 总被引:1,自引:0,他引:1
《山东林业科技》2016,(6)
西部沙樱(Prunus pumila var.besseyi)是原产于美国的阳性旱生灌木。自2008年引入赤峰市以来,西部沙樱在科尔沁沙地治沙造林中表现较好。然而,在观赏灌木培育中,常出现大量枯死枝夹杂在新萌生枝条中的现象,因此不宜用于园林绿化。首次发现3种害虫危害西部沙樱,其中黄褐天幕毛虫(Malacosoma neustria testacea)和苹毛丽金龟(Proagopertha lucidula)取食叶片,白星花金龟(Protaetia brevitarsis)取食果实。文章介绍了赤峰市西部沙樱育苗技术和栽培表现,提出了防控虫害建议。 相似文献
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沙生灌木切断机的设计 总被引:1,自引:0,他引:1
根据沙生灌木自身的特性研制了往复式沙生灌木切断机,该机的进料机构采用平顶输送链和不完全齿轮间歇强制进料,切削机构采用曲柄连杆带动刀具进行往复运动,实现对沙柳材的端向切削。试验结果表明,该机结构简单,安装方便,工作平稳,可以将沙生灌木加工成高质量、合格的木片,很好地解决了沙生灌木在切片过程中存在的质量问题。 相似文献
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研制出一种收割沙生灌木作业机.该机既能宽幅收获,又可高速平稳作业,传动简单,结构紧凑,生产率高,一次可完成收割集垄作业. 相似文献
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<正>沙冬青,豆科沙冬青属,常绿灌木或小灌木,高1.5~2米,分布于内蒙古、甘肃、宁夏、新疆,生长于沙丘、河滩边台地。沙冬青不仅耐旱、耐寒、耐土壤瘠薄、抗逆性强,是良好的沙区造林树种,而且阔叶常绿、树形美观、花色鲜艳,可作为优良的绿化树种。1新疆矮沙冬青新疆矮沙冬青,第三纪残遗种,稀有种,濒危种,国家2级重点保护植物。新疆矮沙冬青是我区荒漠地区十分珍贵的第三纪孑遗种,是中国西北荒漠地区唯一的超旱生常绿阔叶灌木树种。主要分布在乌恰县, 相似文献
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仿真固沙灌木林与塑料网方格沙障防风固沙效能比较 总被引:1,自引:1,他引:0
干旱区的水资源限制了植物治沙应用范围,将仿真固沙灌木加入退化梭梭林,比较仿真固沙灌木+梭梭的灌木林与塑料网方格沙障防风固沙效能,为仿真固沙灌木应用提供参考。在野外相同条件下观测比较仿真固沙灌木林与塑料网方格沙障内风速,结果显示:仿真固沙灌木+梭梭灌木林的风速削减率与塑料网方格沙障的差异不显著;随着风速增大,仿真固沙灌木降低风速率与塑料网方格沙障降低风速率差异变小;在风速为8.1~8.9 m s-1时,仿真固沙灌木降低风速率达塑料方格沙障的80%;仿真固沙灌木+梭梭灌木林的输沙率随高度变化为指数递减,是裸沙地的35%;仿真固沙灌木林的建立不受气候条件影响,可重复应用,与灌木搭配可增强防风固沙效能。 相似文献
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Zhang Chen-xia Huang Jin-tian 《中国林学(英文版)》2006,8(3):38-42
1 Introduction Desert shrubs are made up of natural composite mate- rials, composed of cellulose, hemicellulose and lignin. Although there are a large number of hydroxyl groups in them, these are not fully used due to the high crys- tallinity of cellulose and tight interconnection among polymeric components in wood (Cheng et al., 2002). Liquefaction of wood is a new technique in wood in- dustries. It is a novel process which effectively con- verts the chemical composition of wood into macro- … 相似文献
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Tamarix plant is widely distributed in the arid areas of China for its great tolerance of draught, salt and alkali and attracts more
attention by its strong capacity in windbreak and sand-fixations. “Tamarix dunes” constitute special desert bio-landscape in arid area. During last several decades,Tamarix shrubs declined and “Tamarix dunes” were also severely destroyed due to the land exploitation and serious deforestation, etc. From the 1980s until now,
the extending phenomenon ofTamarix shrubs caused by developmental projects such as building highway, railway was studied in the western dry area of China, including
western section of Hexi Corridor of Gansu, railroads and highways around the two greatest basin in Xinjiang and interior regions
in Gurbantonggut desert, through on-the-spot survey along the transportation lines and setting up sampling plots along the
roads. It was found that large quantities ofTamarix plants grow in the catchment area of low-lying lands that were formed by bulldozer operation during road building period.
The extension ofTamarix shrubs caused by engineering was similar to that of the other section of the area to some extent, but went beyond the original
distribution. This extension is beneficial to the ecological restoration and re-vegetation of western region of China and
plays an important role in control of the sandstorms and improvement of ecological environments. As a result, it is necessary
to make a further study on the extending phenomenon ofTamarix shrubs and to seek approach to promote wider extension ofTamarix shrubs in suitable habitats.
Foundation Item: This study is supported by key projects of National Natural Science Foundation (39730100), National Foundation (30070640)
and part of Project 973(G19990435).
Biography: Huang Pei-You (1936-), Male, Professor in College of Life Science and Technology, Xinjiang University, Urumqi, 830046
Responsible editor: Chai Ruihai 相似文献
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乌兰布和沙漠5种灌木的水分利用策略 总被引:8,自引:1,他引:8
利用稳定性同位素技术测定乌兰布和沙漠黑沙蒿、沙冬青、白刺、柠条锦鸡儿和梭梭5种灌木枝条木质部和土壤各层水分的δD值,分析它们在不同季节对不同深度土壤水分的选择性利用;并通过测定灌木叶片(同化枝)的δ13C值,分析4种C3植物的水分利用效率。结果表明:白刺在夏初和秋末主要利用土壤浅层30~60cm的水分,而其他4种灌木则随着季节的变化选择性利用不同深度的土壤水分;白刺在夏初的水分利用效率显著高于秋末(P0.05),黑沙蒿、沙冬青和柠条锦鸡儿的水分利用效率则比较稳定;沙冬青、白刺和柠条锦鸡儿的水分利用效率均高于黑沙蒿。 相似文献