助手标题  
全文文献 工具书 数字 学术定义 翻译助手 学术趋势 更多
查询帮助
意见反馈
   tea root 在 农作物 分类中 的翻译结果: 查询用时:0.054秒
图标索引 在分类学科中查询
所有学科
农作物
药学
农业基础科学
园艺
更多类别查询

图标索引 历史查询
 

tea root
相关语句
  茶树根系
    Effect of Aluminium on the Physiological Characteristics of Tea Root System
    铝对茶树根系生理的影响
短句来源
    Basis Characteristics of Tea Root System under the Condition of Chestnut and Tea Intercropping
    栗茶间作模式下茶树根系的基础特性
短句来源
    It was considered that the caffeine and tea cate-chins in the tea root exudate might have allelopathic effect on tea plant.
    据此推断,茶树根系分泌物中的咖啡因和儿茶素类物质具有异株克生作用。
短句来源
    distribution of tea root system under the condition of intercropping was deeper and evener;
    间作茶园茶树根系在土壤中的分布比单作茶树根系更深、更均匀;
短句来源
查询“tea root”译词为用户自定义的双语例句

    我想查看译文中含有:的双语例句
例句
为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。
  tea root
Significant amounts of P dissolved from rock phosphate accumulated in rhizosphere of NH4+, not NO3-, suggesting that the dissolution of rock phosphate was induced by the proton excreted by tea root fed with ammonium.
      


The activities of phosphatases in the red earth in tea field from 6 provinces and the correlations between the activities and the phosphate contents in the soil samples and tea yields were investigated. Results showed that the activities of acid phosphatase (ACP) and neutral phosphatase (NEP) were intenser than that of alkaline phosphatase (ALP), and the activities of phosphatases were weakened with the depth of soil layer and the horizontal distance of soil away from tea root collar. The results also...

The activities of phosphatases in the red earth in tea field from 6 provinces and the correlations between the activities and the phosphate contents in the soil samples and tea yields were investigated. Results showed that the activities of acid phosphatase (ACP) and neutral phosphatase (NEP) were intenser than that of alkaline phosphatase (ALP), and the activities of phosphatases were weakened with the depth of soil layer and the horizontal distance of soil away from tea root collar. The results also showed the activities of ACP and NEP were more positively significant or significantly correlated with contents of total P, Bray-I P, AlP, Fe-P, Ca-P and tea yields, and could therefore be used as an important index to evaluate the available degree of phosphate and productivity of tea soil. Phosphatases played an obvious role in enzyme-catalying hydrolysis of organic phosphate and the increase of tea available phosphate contents. Applications of organic fertilizer could increase the activities of phosphatases. However, excessive applications of chemical fertilizer would result in the decrease of the activities. So, application of organic fertilizer combined with suitable amounts of chemical fertilizer was an effective way for increasing the activities of phosphatases in the red earth in tea field.

本文对我国6个省的红壤茶园土壤磷酸酶活性与土壤磷素含量及茶叶产量等因素的关系进行了研究。结果表明,红壤茶园土的磷酸酶以酸性和中性磷酸酶活性较强,碱性磷酸酶活性较弱;磷酸酶在土体中的垂直和水平分布规律,表现为土层越深、离根系越远,酶活性越弱。酸性和中性磷酸酶活性与土壤全磷、Bray-I法的磷,A1-P、Fe-P、Ca-P和茶叶产量都有显著或极显著的正相关关系,因而可以作为衡量土壤供磷能力和土壤生产能力的重要参考指标之一。磷酸酶对有机磷的酶促水解、提高茶树可吸收态磷的含量具有明显的作用。研究还表明,施用有机肥可提高茶园土壤的磷酸酶活力,偏施化肥则会破坏土壤的物理性质,从而导致磷酸酶活性降低,而在施用有机肥基础上配施适量的化肥,则是提高茶园土壤磷酸酶活性的重要途径。

The relationship between VA Mycorrhiza and the growth of tea plant,between VA Mycorrhiza and the uptake of P,K,Ca,Mg,Cu,Fe,Zn,Mn,Na,were investigated by using pot-culture method.The results showedthat the growth and uptake of P,K,Cu,Fe etc.by tea plant could bemarkedly promoted by the inoculation with VA Mycorrhizal fungi.VAMinfection rate of tea roots decreaesd with the increase of soluble-P applica-tion.The development of VA Mycorrhiza and P uptake of tea plant werefurther accelerated...

The relationship between VA Mycorrhiza and the growth of tea plant,between VA Mycorrhiza and the uptake of P,K,Ca,Mg,Cu,Fe,Zn,Mn,Na,were investigated by using pot-culture method.The results showedthat the growth and uptake of P,K,Cu,Fe etc.by tea plant could bemarkedly promoted by the inoculation with VA Mycorrhizal fungi.VAMinfection rate of tea roots decreaesd with the increase of soluble-P applica-tion.The development of VA Mycorrhiza and P uptake of tea plant werefurther accelerated by the application of rock Phosphate.The role of VAMycorrhiza in the mineral nutrition and the growth of tea plant,the appl-ication of VA Mycorrhiza to tea fields were discussed in this paper.

采用盆栽法研究了 VA 菌根对茶树生长和矿质元素吸收的影响。结果表明,接种 VA 菌根真菌的茶树,无沦是地上部还是地下部的干重,都明显高于未接种的茶树,其中又以接种 VA 真菌同时施磷矿粉处理的茶树干重最大(较对照增加2.86倍);叶片含磷量较对照增加41%,特别是在施磷矿粉的条件下,叶片含磷量比对照增加87%,茶树整株的吸磷量是对照的3倍;叶片中 K、Cu、Fe 的含量增加,Zn、Mn、Ca、Mg、Na 的含量没有显著变动,但施磷处理使各处理茶树叶片中矿质元素含量的变动趋于复杂。研究还表明,随着水溶性磷施用量的增加,茶树根系的被侵染率显著降低,而施磷矿粉则可促进茶树 VA 菌根的发育,被侵染率也最高(达30%)。文中还对VA 菌根促进茶树对难溶性磷的利用和 K、Cu、Fe 等矿质元素的吸收以及 VA 菌根在茶园中的应用等问题进行了讨论。

Changes in chemical composition of culture solution and their effect on tea growth during hydroponic were studied.The obtained result showed that decrease in concentration of NH_4- N was accompanied by increase of NO_3- Nduring culture. The decrease of the solution pH was not caused by the increase of soluble Al because the Al concentration decreased during the culture process.On the contrary;the pH change was buffered by supply of Al.Caffeine and tea catechinswere detected in tea root exudate. Growth...

Changes in chemical composition of culture solution and their effect on tea growth during hydroponic were studied.The obtained result showed that decrease in concentration of NH_4- N was accompanied by increase of NO_3- Nduring culture. The decrease of the solution pH was not caused by the increase of soluble Al because the Al concentration decreased during the culture process.On the contrary;the pH change was buffered by supply of Al.Caffeine and tea catechinswere detected in tea root exudate. Growth of tea plant grown in the culture solution in which teahad been cultivaled was inhibited even if quick- acting N、P and K were added to maintaion the nu-trient level as the sarne as a new culture solution. It was considered that the caffeine and tea cate-chins in the tea root exudate might have allelopathic effect on tea plant.

水培过程中营养液中的NH_4-N浓度下降伴随NO_3-N浓度提高,培养过程中溶液活性Al含量下降,pH值降低并非活性Al浓度提高所致,培养液加Al对pH下降有缓冲作用。茶树根系分泌物中有咖啡因和儿茶素类物质,利用培养过茶树的营养液再次培养茶苗,即使通过添加速效N、P、K保持其营养水平,茶树生长仍然受到抑制。据此推断,茶树根系分泌物中的咖啡因和儿茶素类物质具有异株克生作用。

 
<< 更多相关文摘    
图标索引 相关查询

 


 
CNKI小工具
在英文学术搜索中查有关tea root的内容
在知识搜索中查有关tea root的内容
在数字搜索中查有关tea root的内容
在概念知识元中查有关tea root的内容
在学术趋势中查有关tea root的内容
 
 

CNKI主页设CNKI翻译助手为主页 | 收藏CNKI翻译助手 | 广告服务 | 英文学术搜索
版权图标  2008 CNKI-中国知网
京ICP证040431号 互联网出版许可证 新出网证(京)字008号
北京市公安局海淀分局 备案号:110 1081725
版权图标 2008中国知网(cnki) 中国学术期刊(光盘版)电子杂志社