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采叶
相关语句
  leaf picking
    Study on the Establishment of Ginkgo Garden for Leaf picking
    种子直播建立高标准银杏采叶园技术的研究
短句来源
    Study on the Techniques of the Ginkgo Leaf picking Garden with High yield and Good-quality
    高标准银杏采叶园高产优质技术研究
短句来源
  “采叶”译为未确定词的双语例句
    Fifty-five leaf samples were adopted from thirty-eight pear orchards in the original growing and main producing areas of "YALI" pear, and contents of ten elements (N, P, K, Ca, Mg, Fe, Mn, Zn, B, Cu ) were analyzed.
    在鸭梨原产地及主产区的38个果园采叶样55个,化验了N、P、K、Ca、Mg、Fe、Mn、Zn、B、Cu十个元素的含量;
短句来源
    In order to establish a quick and reliable identification system for the main Citrus viruses,total RNA was isolated from the sampled trees showing typical symptoms of Citrus tristeza virus(CTV),Citrus exocortis viroid(CEV) and Citrus tatter leaf virus(CTLV) for RT-PCR analysis.
    为建立主要柑橘病毒病准确、快速的分子检测体系,在表现柑橘衰退病(CTV)、柑橘裂皮病(CEV)和柑橘碎叶病(CTLV)典型症状的病树上采叶样提取总RNA进行反转录聚合酶链式反应(RT-PCR)分析.
短句来源
    These results provided a scientific basis for the establishment and management of leaf-picked orchard of Ginkgo biloba.
    上述研究结果为银杏采叶园的建立及管理提供了科学依据.
短句来源
    To determine the standard normal value, it is necessary to analyze and compare a large amount of the contents of different nutritional elements in the leaves collected from trees showing normal growth and fruiting.
    有鉴于此,本研究根据同一遗传型的成年果树叶内矿质元素含量具有生理上的相对稳定性的原理,搜集了50年来各国发表的有关数据,进行统计和分析研究,并与我国叶分析数据相比较,提出苹果、梨、葡萄、桃的叶分析标准值。 并结合树种、品种、采叶时期与方法、栽培管理措施等影响因素,进行了讨论。
短句来源
    urea application significantly enhances the concentrations of N and Mn in most phenophases, but significantly reduces the concentrations of P,K and Zn in the leaves of most phenophases. In the annual growing season of jujube trees,each foliar element studied has at least one stable period suitable for the diagnosis samplings, and a large part of them have two periods for this purpose.
    施尿素显著地提高了大多数物候期中叶片全N和Mn的含量,也显著地降低了大多数物侯期中叶片全P、全K和Zn的含量:在年生长周期内,各营养元素的叶分析诊断大多数有2个适宜的采叶时期。
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  leaf picking
Then onwards, two more crops are taken during first year by leaf picking method.
      


Investigations were made on the leaf N, P, K status in connection with the yields of Citrus unshiu Marc. in Sanming, Jian-ou and Liancheng districts, Fujian Province, from 1976 to 1977. Leaf-samples were collected from the 2nd-3rd nodes of the spring flush of the middle parts of the trees, growing in the red earth of hills, basins and mountains in January, May and September respectively. Preliminary analysis of the data gave the following remarks. 1. N-status of the leaves of satsuma mandarin showed the highest...

Investigations were made on the leaf N, P, K status in connection with the yields of Citrus unshiu Marc. in Sanming, Jian-ou and Liancheng districts, Fujian Province, from 1976 to 1977. Leaf-samples were collected from the 2nd-3rd nodes of the spring flush of the middle parts of the trees, growing in the red earth of hills, basins and mountains in January, May and September respectively. Preliminary analysis of the data gave the following remarks. 1. N-status of the leaves of satsuma mandarin showed the highest in September samples, the next in May (samples) and the least in January(samples). Leaves of the spring flush contained the highest P and K concentration in April-May sampling and the concentration decreased with the increase of leaf-age. 2. Therefore, January sampling from the vegetative terminals of the spring flush of the previous year should be recommended. The status of N, P and K correlated quite well with the yields, while samples of May and September varied with the quantity of flowering and fruiting. 3. The following leaf-analysis criteria for the maximum yields of satsuma mandarin are suggested: N—2.5—2.7%, P—0.16%, K—1.0-1.5%, N/K—1.91—2.80. No correlation was found between the leaf-status of N, P, K in September and the yield of the next year.

本文阐述了温州蜜柑叶片中氮、磷、钾的周年规律性变化;认为花芽形态分化期(一月)叶片营养组分与产量有直接相关;提出了丰产温州蜜柑一月份叶片氮、磷、钾的含量指标。 1、温州蜜柑春梢叶片的营养元素含量,氮素以花芽生理分化期(九月)为最高,幼果期(五月)次之,花芽形态分化期(一月)最低。当年开花结果多时,也有出现九月叶片含氮量低于五月,或五月叶片含氮量低于一月的情况。春梢叶片中含磷、钾量均以四、五月为最高,随着叶今的增加而逐渐降低,至翌年一月~三月为最低,在结果多时,也有出现九月叶片含磷、钾量低于一月的情况。 2、我们认为,温州蜜柑叶片分析的采叶时期以花芽形态分化期(一月)摘取去年春梢营养枝叶片为宜。此时营养组分对当年的产量有明显的正相关。而五月、九月叶片营养含量常因开花结果量多少而波动。 3、温州蜜柑的丰产营养指标,据我们的研究结果,初步认为,花芽形态分化期(一月)叶片含氮量应为2.7%(占干物质重)以上,至少不低于2.5%水平;叶片含磷量应为0.16%以上;叶片含钾量应为1.0~1.5%。氮、钾比率以1.91—2.80为宜。花芽生理分化期(九月)叶片营养含量与翌年产量尚看不出其相关性,但叶片含磷量高有...

本文阐述了温州蜜柑叶片中氮、磷、钾的周年规律性变化;认为花芽形态分化期(一月)叶片营养组分与产量有直接相关;提出了丰产温州蜜柑一月份叶片氮、磷、钾的含量指标。 1、温州蜜柑春梢叶片的营养元素含量,氮素以花芽生理分化期(九月)为最高,幼果期(五月)次之,花芽形态分化期(一月)最低。当年开花结果多时,也有出现九月叶片含氮量低于五月,或五月叶片含氮量低于一月的情况。春梢叶片中含磷、钾量均以四、五月为最高,随着叶今的增加而逐渐降低,至翌年一月~三月为最低,在结果多时,也有出现九月叶片含磷、钾量低于一月的情况。 2、我们认为,温州蜜柑叶片分析的采叶时期以花芽形态分化期(一月)摘取去年春梢营养枝叶片为宜。此时营养组分对当年的产量有明显的正相关。而五月、九月叶片营养含量常因开花结果量多少而波动。 3、温州蜜柑的丰产营养指标,据我们的研究结果,初步认为,花芽形态分化期(一月)叶片含氮量应为2.7%(占干物质重)以上,至少不低于2.5%水平;叶片含磷量应为0.16%以上;叶片含钾量应为1.0~1.5%。氮、钾比率以1.91—2.80为宜。花芽生理分化期(九月)叶片营养含量与翌年产量尚看不出其相关性,但叶片含磷量高有提高翌年座果率的趋势。

The growth and yield of Vitis vinifera cv Muscat Hamburg grown in the hydrogen flouride polluted area were compared with those in areas not polluted. Exposure to this gas for a long period of time, even at low concentrations, caused injury to the grape, because the gas was absorbed by and accumulated in the leaves. The injurious effects vary at different stages of growth, depending on the concentration of the gas, the distance from the source of pollution and the level of this gas in the leaves and fruits.

本文着重以玫瑰香葡萄为主,测定大气氟污染浓度和定期观测污染区和清洁区葡萄受害状况,并采叶、果分析其含氟量,进行综合比较,以此来明确氟污染影响葡萄生长发育是造成减产的主要原因。进而搞清葡萄受害减产与大气氟污染的关系,为今后加强果区环境保护和发展玫瑰香葡萄避免氟污染危害提供科学依据。

The nutritional ranges including normal, below normal, deficiency, excess and toxic in the leaves of fruit plants are the bases for the diag-nosis of nutritional status. To determine the standard normal value, it is necessary to analyze and compare a large amount of the contents of different nutritional elements in the leaves collected from trees showing normal growth and fruiting.

果树叶内名种矿质营养元素含量标准值,是应用叶分析进行营养诊断的基础。标准正常值的确定,应是大量生长结果正常树叶内营养元素含量的统计结果。对北京、河北、辽宁、山东、新疆等地苹果、梨、葡萄、桃的矿质营养状况的调查表明,在石灰性土壤或其它营养供应不平衡的条件下取材,难以得出作为叶分析诊断标准的正常值。有鉴于此,本研究根据同一遗传型的成年果树叶内矿质元素含量具有生理上的相对稳定性的原理,搜集了50年来各国发表的有关数据,进行统计和分析研究,并与我国叶分析数据相比较,提出苹果、梨、葡萄、桃的叶分析标准值。并结合树种、品种、采叶时期与方法、栽培管理措施等影响因素,进行了讨论。

 
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