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荫蔽环境
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  “荫蔽环境”译为未确定词的双语例句
     This paper studies the influence on root survival and preservable rate of Morinda officinalis How (MO) by the quality of its seedling, including the species, age, nodes and fertilizer spreaded, and the influence on MO shadedvby ferns in the early stage of growth.
     本文研究了巴戟天藤苗质量(野生、家栽藤苗,不同龄期藤苗,不同节数藤苗,是否施化肥藤苗)对其生根成活率或保存率的影响,以及巴戟天植地插芒箕遮荫对其生长前期的影响。 研究结果表明,巴戟天属中性偏阴植物,在其生长前期需要适度荫蔽环境;
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     The Environment
     环境
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     environment;
     环境;
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     AN EXPER MENTAL RESEARCH OF ARTIFICIAL COVERT FOR TEA TREES
     茶树人工荫蔽试验研究
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     The shade seriously influenced the population density.
     荫蔽度严重影响种群的密度。
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     The Influence of Shadings on Resistant Substance in Coptis chinensis Franch
     荫蔽度对黄连抗性物质的影响
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  shade environment
In general, protein concentration in needles reflected age class rather than sun or shade environment.
      
Influence of Trinexapac-Ethyl on Diamond Zoysiagrass in a Shade Environment
      
A complete randomized experimental design was used and above ground dry weight was measured in each shade environment.
      
The shade environment produced in agroforestry practices affects the morphology, anatomy and chemical composition of intercropped forages and, therefore, may affect forage quality.
      
Plants of the C4 tree species, Euphorbia forbesii, Sherff and the C3 tree species, Claoxylon sandwicense Muell-Arg., were grown in a full sun and a shade environment designed to simulate the understory of their native Hawiian forest habitat.
      


The author observed the leaf—blade's anatomical structure of paeonia L.8species,varietes and 15 cultivars.The result shows that:1.The stoma of the genus plant lies in the under epidemis,and belongs toanomocytic stoma.The ratio of its length and wielth can be regarded as the ch-aracteristic properties of the species and varietas.2.The star—shaped druse idioblasts exist only in the genus sect.moutanplants.Therefore,the druse idioblasts can be used as the anatomical basis ofthe peaonia L.group.3.Having lived a...

The author observed the leaf—blade's anatomical structure of paeonia L.8species,varietes and 15 cultivars.The result shows that:1.The stoma of the genus plant lies in the under epidemis,and belongs toanomocytic stoma.The ratio of its length and wielth can be regarded as the ch-aracteristic properties of the species and varietas.2.The star—shaped druse idioblasts exist only in the genus sect.moutanplants.Therefore,the druse idioblasts can be used as the anatomical basis ofthe peaonia L.group.3.Having lived a long life in the high mountains and among the bushes inforests,the wild varieties of the genus have formed its shade—leaf structure.Therefore,when a fine variety of the genus is introduced and trained,it sho-uld be cultivated averting the powerful beams of the sunlight.Besides,the au-thor discovered that the morpholgy of the palisade cells in the genus plant le-af-blade,not only has columnar ones,but also has branches and irregular on-es.All of these are the result of adapting to the shady circums tances and ma-king full use of the sunlight.

观察了芍药属(Paeonia L.)8种、变种及15个品种叶片的解剖结构,结果表明:(1)本属植物叶片上的气孔位于下表皮,属无规则型。其长宽比值可作为种、变种的特征性状。(2)星状晶簇异细胞仅存在于本属牡丹组植物中。因此,晶簇异细胞可作为芍药属分组的解剖学依据。(3)本属野生种类由于长期生活于高山林下灌丛中,形成了其阴性叶的基本结构。因此,引种驯化时应避免强光条件下栽培。此外,发现本属植物叶片栅栏薄壁细胞的形态,不仅有柱状,还有分枝状及不规则型,是其适应荫蔽环境,充分利用太阳光能的结果。

This paper studies the influence on root survival and preservable rate of Morinda officinalis How (MO) by the quality of its seedling, including the species, age, nodes and fertilizer spreaded, and the influence on MO shadedvby ferns in the early stage of growth.

本文研究了巴戟天藤苗质量(野生、家栽藤苗,不同龄期藤苗,不同节数藤苗,是否施化肥藤苗)对其生根成活率或保存率的影响,以及巴戟天植地插芒箕遮荫对其生长前期的影响。研究结果表明,巴戟天属中性偏阴植物,在其生长前期需要适度荫蔽环境;野生藤苗、成熟藤苗、未施用化肥的藤苗,抗干旱、抗病虫害侵染的能力均较强,生根成活率和保存率高。正确选择巴戟天的种植地,提高苗木质量,是提高巴戟天产量和质量的重要途径之一。

The early growth of 10 indigenous species of South China in an ecological plantation demonstration site of Zengcheng (Guangdong Province) is reported. The preliminary result showed that the saplings of Sapium discolor, Castanopsis hystrix, Rhodoleia championii, Liquidambar formosana had fast growth while those of Tsoongiodendron odorum, Michelia maudiae, Cyclobalanopsis hui , and Lithocarpus glaber had slow growth in the first year after transplanting. Field survey found that the young shoots and...

The early growth of 10 indigenous species of South China in an ecological plantation demonstration site of Zengcheng (Guangdong Province) is reported. The preliminary result showed that the saplings of Sapium discolor, Castanopsis hystrix, Rhodoleia championii, Liquidambar formosana had fast growth while those of Tsoongiodendron odorum, Michelia maudiae, Cyclobalanopsis hui , and Lithocarpus glaber had slow growth in the first year after transplanting. Field survey found that the young shoots and leaves of Tsoongiodendron odorum and Exbucklandia tonkinensis were hurt in summer. These two species needed shaded habitat in the early stage. A few saplings of Bischofia javanica were attacked with the aphids. Pest control is required for this species. The improvement of traditional planting techniques for the ecological plantations is suggested.\;

在增城市营造了 1 0种乡土阔叶树种的生态示范林 ,样地的早期生长结果显示 :山乌桕、红锥、红苞木、枫香等树种生长较快 ,观光木、深山含笑、石栎和胡氏青冈等生长较慢。野外观察发现 ,夏季高温天气会灼伤观光木和合掌木幼嫩部分及叶片 ,这些植物的早期生长需要半荫蔽环境 ;个别秋枫植株受蚜虫侵害 ,生长受抑 ,因此造林初期需要重视虫害防治。针对乡土树种的特性 ,还对生态林造林和抚育技术的改进问题进行了简要的讨论

 
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