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林木
相关语句
  forest tree
    Applications of Physical Mutation Breeding Techniques of Low Energy Ion Beam in Forest Tree,Horticulture and Flower Breeding
    低能离子束物理诱变技术在林木和园艺花卉育种中的应用
短句来源
    The study was made at Improved Variety Breeding Station of Forest Tree of Zhuji City in 1987-1988. The damaged buds of chestnut, the densities and development of the gall wasp were investigated by means of selecting standard trees and standard branches.
    本研究于1987~1988年在诸暨市林木良种繁育站进行。
短句来源
  “林木”译为未确定词的双语例句
    The Construction of Technical Foundation Platform for Forestry and Flowers Germplasm Resources
    林木和花卉种质资源科技基础平台建设
短句来源
    Its goal is to collect the forestry and the flowers’germplasm resources under plans and steps which the breeding expert grasped, put the after-standardized germplasm resources information preservation in the database, and through the platform to make germplasm resources sharing realized, it will provide the germplasm resources information which accurate, reliable, obtainable, and it will served for the forestry and the flowers’breeding experts.
    其目的是有计划、有步骤地收集育种专家所掌握的林木和花卉种质资源信息,将标准化后的种质资源信息保存在数据库中,并通过平台实现种质资源的共享,提供准确、可靠、可获得的种质资源信息,服务于林木和花卉育种专家,同时,也为社会各界提供林木和花卉种质资源信息查询服务。 本文介绍了种质资源的概念、种质资源科技基础平台建设的必要性和重要性。
短句来源
    The best way to cultivate the young growth of Toona sinensis is to intercrop arena sinensis and Brassica napus. Fertilizing alone with urea 4. 5kg per 100m' with superphosphate 7. 5kg, 15kg and 22. 5kg per 100m2 or with mixed urea 3kg and superphosphate 15kg per 100m2, can greatly prompt the growth of Toona sinensis.
    合理施肥显著促进林木生长,并以单施尿素4.5km/100m2或过磷酸钙7.5kg/100m2,15kg/100m2和22.5kg/100m2.以及混施尿素3kg/100m2加过磷酸钙15kg/100m2增多效果更为显著;
短句来源
    Present Research Situation and Prospects of Shoot Apex Grafting in Economic Trees
    经济林木试管茎尖嫁接的研究现状及展望
短句来源
    POTENTIAL EFFECT OF EXTRACTS OF ROOTS OF MALUS PUMILA AND POPULUS CANADENSIS ON WHEAT GROWTH
    苹果、杨树等林木根系浸取物对小麦生长的潜在影响
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  forest tree
This paper presents a brief review of traditional methods of studying genetic variation in forest tree species and introduces a new, integrated population genomics approach.
      
Therefore, only the heterotrophic part of tree biomass determines annual carbon losses in a forest tree population.
      
According to genetic variation parameters, three out of six populations (Akdagmadeni-Yozgat, Refahiye-Erzincan and Vezirkopru-Samsun) appear to be preferable populations for genetic conservation and forest tree breeding programs.
      
Plant parasitic nematodes from a forest tree nursery in southern Spain with some notes about the influence of soil storage on th
      
___TAGSTART___BR___TAGEND___A nematological survey was carried out in a forest tree nursery in Andujar, southern Spain.
      
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Phyllanthus emblica is an important economic wild tree in Yunnan. It has rich resources and tremendous distribution, It grows fast, fruits early, yields well, and its bark and wood arc useful. It is a barren and droughtenduring species which can preserves water and soil. Therefore it is an important species in arid and hot valleys, and a pioneer used in afforestation in the low altitude barren mountainous areas. It has a good economic benefit, canbe utilized comprehensively, and is worth expanding energetically...

Phyllanthus emblica is an important economic wild tree in Yunnan. It has rich resources and tremendous distribution, It grows fast, fruits early, yields well, and its bark and wood arc useful. It is a barren and droughtenduring species which can preserves water and soil. Therefore it is an important species in arid and hot valleys, and a pioneer used in afforestation in the low altitude barren mountainous areas. It has a good economic benefit, canbe utilized comprehensively, and is worth expanding energetically and planting extensively.

余甘子是我省重要的野生经济林木,数量多、分布广、生长快、结果早、产量高,树皮和木材也很有用途,它不仅耐干旱瘠薄、保持水土,是干热河谷的主要树种,而且也是低海拔荒山造林的先锋树种,经济效益高,可以综合利用,值得大力种植发展。

The study was made at Improved Variety Breeding Station of Forest Tree of Zhuji City in 1987-1988. The damaged buds of chestnut, the densities and development of the gall wasp were investigated by means of selecting standard trees and standard branches. The resistance of 8 varieties of chestnut to the gall wasp was analysed,too. The results showed that the varieties of Changcibanhong and Changxing No. 5 had a medium resistance to the gall wasp; Youbanhong, Maobanhong, Duancibanhong and Erdafu Were susceptible...

The study was made at Improved Variety Breeding Station of Forest Tree of Zhuji City in 1987-1988. The damaged buds of chestnut, the densities and development of the gall wasp were investigated by means of selecting standard trees and standard branches. The resistance of 8 varieties of chestnut to the gall wasp was analysed,too. The results showed that the varieties of Changcibanhong and Changxing No. 5 had a medium resistance to the gall wasp; Youbanhong, Maobanhong, Duancibanhong and Erdafu Were susceptible varieties; Shangguang was a high susceptible variety. Changcibanhong also had the highest annual yield and quality seed. It could be recommended in practices.

本研究于1987~1988年在诸暨市林木良种繁育站进行。随机选取标准树和标准枝,调查栗瘿蜂对芽的危害情况、虫瘿密度以及虫瘿生长进度,分析8个不同板栗品种对栗瘿蜂的抗性,并调查不同品种的产量。结果表明:长刺板红和长兴5号魁栗抗性中等,而且前者产量高,品质优良,值得推广。油板红、毛板红、短刺板红和二大夫是感虫品种,而上光则是高感的板栗品种。

From 1990 to 1993. Carboxymethy Cellulose(CMC) and Moisture-conserving Emulsion(MCE) Fy-1 were Sprayed upon fruit trees at ages between 2 and 4 years to prevet the tree branches from moisture Loss in wintering period around Yinchuan area. The results indicated that spraying the MCE once between the end of November and the beginning of December and once again in the beginming of March, and Spraying the MCE in the end of Novmber and 120 times of the CMC in the beginning of March all produced good results with...

From 1990 to 1993. Carboxymethy Cellulose(CMC) and Moisture-conserving Emulsion(MCE) Fy-1 were Sprayed upon fruit trees at ages between 2 and 4 years to prevet the tree branches from moisture Loss in wintering period around Yinchuan area. The results indicated that spraying the MCE once between the end of November and the beginning of December and once again in the beginming of March, and Spraying the MCE in the end of Novmber and 120 times of the CMC in the beginning of March all produced good results with a damage rate of the fruit trees from 2 .32% to 4.16% only. The rates are obviously smaller than the 46.88% of the branch moisture-losing rate of soilburying protection methol, but the latter case needs less cost (0.3 Yuan RMB-0.5 yuan RMB for each apple tree).

1990~1993年,在银川地区对2~4年生苹果树喷布羧甲基纤维素和FY-1型林木果树保水剂,以预防果树枝条失水。结果表明,11月底至12月初和3月初喷2次保水剂与11月底喷保水剂、3月初喷120倍羧甲基效果均佳果树受伤害率仅2.32~4.16%,明显低于人工埋土的46.88%,成本以后者较适宜(0.3~0.5元)。

 
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