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cultural practices
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  栽培技术
     Studies on Cultural Practices for Two-line Indica Hybrid Rice——2301S/H7058
     两系杂交中籼2301S/H7058栽培技术探讨
短句来源
     Studies on Cultural Practices for Late Hybrid Rice Weiyou 198 to Achieve a Grain Yield of 9.0 t/hm 2
     杂交晚稻威优198单产9.0t/hm~2栽培技术探讨
短句来源
     The rate of empty straw re,luced 11.7%, 12.5%, 13.8%, 15.3%, 16.4%. The dense-resistance of upright-leaf corn was showed fully. Farthermore, the model was made and the combined cultural practices were improved.
     空秆率减少11.7、12.5、13.8、15.3、16.4个百分点,充分显示了紧凑型玉米的耐密性能.同时,还示范并改进了紧凑型玉米的配套栽培技术
短句来源
     Cultural practices of new breed the "Xin-hybridized japonica rice No.1 "of two-line hybridized japonica rice
     两系杂交粳稻新品种“信杂粳1号”的栽培技术
短句来源
     Field experiment for cultural practices of higher yield winter wheat was carried out on dry land without irrigation.
     在莱阳等地对无水浇条件旱地冬小麦高额丰产栽培技术进行了田间试验研究。
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  栽培措施
     STUDY OF MATAEMETICAL MODEL OF WHEAT CULTURAL PRACTICES
     小麦综合栽培措施的数学模型研究
短句来源
     Influence of cultural practices on the population size of Myzus persicae(Sulzer) and Aphidius gifuehsis(Ashmead) in the early growth season was investigated in 5 types of tobacco fields.
     通过设置 5种类型烟田 ,研究了栽培措施对烟田前期烟蚜Myzuspersicae(Sulzer)和烟蚜茧蜂Aphidiusgifuehsis(Ashmead)种群数量的影响。
短句来源
     A STUDY ON MATHEMATICAL MODEL FORYIELD OVER 250 KG/MU OF MANDAN 1 HYBRID SEED CULTURAL PRACTICES
     绵单一号玉米制种亩产250公斤综合栽培措施的数学模型研究
短句来源
     Effects of Different Cultural Practices on Grain Quality of Fine Quality Hybrid Rice Liangyou 2186
     不同栽培措施对优质杂交稻两优2186稻米品质的影响
短句来源
     (2)Studies on physiology of fruit under high-temperature stress and (3)Effect of cultural practices on fruit sunburn.
     ( 2 )果实抗高温胁迫生理学研究 ; ( 3)栽培措施对防止果实日烧的效应。
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  “cultural practices”译为未确定词的双语例句
     As the media image is the main form of the contemporary social culture,the cultural practices and creating activities of the modern society have a close connection with the media image communication.
     媒体图像传播是当代社会文化的主体表现形态,当代人的文化实践活动和文化创造活动都与媒体图像传播息息相关,因而人们对媒体图像的社会文化传播的认知、观念、人格和心理表现各异。
短句来源
     In various combinations of cultural practices treatments,the following combination obtained the highest yield:planting density being 60cm×16cm,covering plastic film,applying three-component fertilizers,applying total N 153.0kg/hm\+2,P\-2O\-5 72.0kg/hm\+2,K\-2O 225.0kg/hm\+2 and applying PP\- 333 at early bud stage. \;
     在不同栽培处理组合中,以种植密度60cm ×16cm 、用地膜覆盖、施用三元复合肥、每公顷施全N153.0 kg、P2O5 72.0kg、K2O225.0kg、在初蕾期喷施多效唑处理组合的产量最高。
短句来源
     A STUDY ON THE YIELD FUNCTION MODEL OF AN EXTRA-EARLY SOYBEAN CULTIVAR DONNONG 36 APPLIED COMPREHENSIVE CULTURAL PRACTICES
     超早熟大豆东农36号综合农艺措施的产量函数模型
短句来源
     but at higher level of cultural practices, the dry mass yield may reach 15-20 t/hm2 for mowing, because of strong adaptability.
     高水肥条件下,刈割利用时年干物质产量可达15-20t/hm2.
短句来源
     Objective To study the fertilizer requirement characteristics of Polygala tenuifolia on nitrogen,phosphorous and potasium fertilizers to improve cultural practices in producing region.
     目的研究栽培远志对氮、磷、钾的需肥特性,指导产区大田生产。
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  cultural practices
This could be achieved through the exploration of the cultural practices of the local people and integrating useful aspects into the modern natural resource management expertise.
      
Wetting agent and cultural practices increase infiltration and reduce runoff losses of irrigation water
      
The effect of cultural practices like core aerification followed by sand topdressing and application of a wetting agent in reducing runoff of irrigation water was evaluated.
      
Runoff events after the cultural practices and the wetting agent treatment (Dispatch applied at 877 ml/ha) was repeated four times over a time period when the matric potential ranged from 15-40 kPa.
      
Explanations for divering responses can be found in the union's structure, its traditional membership and employer characteristics, its leadership's vision and ideology, and its internal cultural practices.
      
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Sweet-potato wilt,a dangerous disease of sweet potatoes,has made itsappearance for more than 10 years in several districts of the south-easternKwangsi and south-western Kwangtung.During recent years it has been found tocause a heavy loss of sweet potato crop in these two provinces. Sweet-potato wilt is a kind of wilt disease which infects the fibrovascular ??bundles of the plant.It begins to infect the vine cuttings and those parts thatare in close contact with the sick-soil.The infected parts first show the...

Sweet-potato wilt,a dangerous disease of sweet potatoes,has made itsappearance for more than 10 years in several districts of the south-easternKwangsi and south-western Kwangtung.During recent years it has been found tocause a heavy loss of sweet potato crop in these two provinces. Sweet-potato wilt is a kind of wilt disease which infects the fibrovascular ??bundles of the plant.It begins to infect the vine cuttings and those parts thatare in close contact with the sick-soil.The infected parts first show the water-soaked appearance and then extend upwardly,and eventually become blackenedand rotted.As a rule,ths leaves of the infected plants show an abnormal coloror pale yellow,and drooping appearance.In the meantime,the root tips of theadventitious roots of the vines lose their cortex and begin to lot.Wilting followsquite rapidly and finally the entire plant dies.If the disease infects the plantafter the potatoes beginning to form,it may extend throughout the vine and in-to the roots,causing the enlarged roots to show brown streaks and finally blackenedand rotted with pungent odor. The cause of the disease may appropriately be considered as due to bacteriaand Fusarium spp.Four types of bacteria,i.e.white smooth type,yellow smoothtype,white rough type and yellow rough type,are able to cause the disease.Atleast four kinds of Fusarium,i.e.white aerial mycelium type,white mycelium withred of a purple tint substratum type,pink mycelium with red of a purple tint sub-stratum type and without aerial mycelium type are responsible for the disease.Which is the main cause of the disease? Either bacteria or Fusarium alone or theboth in combination is able to cause the disease,further tests should be madebefore a definite conclusion may be drawn. The dissemination of the wilt organisms may appropriately be considered inthree ways,namely,(1) by infested roots and vines,(2) by sick-soil,and (3) byinsects,as the sweet-potato weevil (Gycas formicarius Fabr.).The former twoways of dissemination are more definite than the latter,however,further testsand observations should be made. According to the results of 2-years field experiments in Tsen-shi and Peh-liustations,it shows that different varieties of sweet-potato possess different resis-tance to the disease.Among several varieties tested,it is found that Tai-nung No.3being a promising one,because it yields very high and is highly resistant to thedisease and to the drought.Although it is occasionally found to be susceptibleto the disease in the experiment field of Tsen-shi and is more commonly foundin the experiment field of Lin-kwei.The second variety is Tai-nung No.46 dueto its high degree of disease resistance. The results of preliminary tests indicate that the method of reproduction byold vines would decrease both in disease resistance and in yield within the samevariety. From tests conducted in two different fields,i.e.one at dry land and the ??other in the rice field,it shows that the discrepancies were found in the occur-rence of the disease and also in the relation of the method of manuring to thepercent of infection. Dipping cuttings in different disinfectants did not show any significant results.There are discrepancies in both plowed and sunned field test and two methodsof setting the vines test.These may be due to methods of treatment,landand varieties used for experiment being different. According to the results of date of planting tests in Peh-liu,it indicates thatthe occurrence and the development of the disease are closely related to the highhumidity and the high temperature.These climatic factors affect the health ofthe early growth of the plant which in turn would increase the disease resistance.It is suggested that the most suitable date for planting sweet-potato in Peh-liu isin the first decade of August. In comparing the weather records of the three districts—Lin-kwei,Peh-liu andTsen-shi—in relation to the date of early and last occurrences of the disease,itshows that an average air temperature of 23.4-28.4℃ is most suitable for the oc-currence of the disease,and an average relative humidity of 80 per cent is alsoneeded for the infection of the disease.Based on these facts,we may say thatsweet-potatoes in Lin-kwei are capable to be easily infected by the wilt organisms.except the last date of the infection would be preceded 10-20 clays.Any otherregions with similar climatic factors,it is also very possible to be infected. According to the results of 2-years experiments and facts from surveys,sug-gestive control measures are proposed: (1) excluding the disease by regulationthrough the use of quarantines enforced by an inspection station empowered torestrict or eradicate diseased roots and vines to prevent them from becomingsources of infection in disease-free districts; (2) selection of disease resistant varie-ties in combination with cultural practices such as the use of more ash,suitableamount of lime and manure,and suitable date of planting to enable plants toescape or resist the disease.For the present time,we suggest that the use of Tai-nung No.3 in Tsen-shi and Peh-liu may meet the requirement,and promotingthe method of root reproduction in place of an old method of reproduction byrepeating vine cuttings from old vines can prevent the degeneration of the plantand decrease the infection of the disease.

甘薯瘟是一种具有十余年历史的病害,不仅严重地威胁着广西东南部几县的甘薯生产,同时也严重影响了广东西南部和广西毗鄰的几个县的甘薯生产。甘薯瘟是一种枯萎类型的病害,是侵染維管束的脉管病害,首先侵染插条与土壤接触部位,先呈水漬狀,继而变黑腐爛并向上發展,叶色不正常或呈黄色而萎垂。此时薯藤的不定根根尖脫皮并开始腐爛,最后全株枯死。如在結薯块后才受病,除薯藤显现枯萎現象外,可向薯塊發展而呈褐色条斑,最后变黑腐烂,發出刺鼻臭辣气味。瘟薯的病原初步認为是由细菌和镰刀菌所致。细菌中可分为白色粘滑型,黄色粘滑型,白色干绉型和黄色干绉型;鐮刀菌中包括白色气生菌丝型,白色菌丝基層稍呈紫紅色型,粉紅色菌丝基層呈紫紅色型,无气生菌丝型等。但究以哪类为主导,抑系并發性呢?仍須进一步研究。薯瘟病原的傳播,初步認为有三种方式:带病薯块和薯苗,病土,及昆虫(如小象鼻虫等),其中以前二种較为肯定,后一种則仅属可能,仍有待+于进一步試驗观察。甘薯各品种間确具有不同的抗病性能,如台农三号的抗病性較强而产量最高,又能抗旱,台农46号的抗病性最高,但产量則較低,因而台农三号是最有希望的品种,但在岑溪試驗地,会略有發現蔓割病(可能是薯瘟病原之一),临桂試...

甘薯瘟是一种具有十余年历史的病害,不仅严重地威胁着广西东南部几县的甘薯生产,同时也严重影响了广东西南部和广西毗鄰的几个县的甘薯生产。甘薯瘟是一种枯萎类型的病害,是侵染維管束的脉管病害,首先侵染插条与土壤接触部位,先呈水漬狀,继而变黑腐爛并向上發展,叶色不正常或呈黄色而萎垂。此时薯藤的不定根根尖脫皮并开始腐爛,最后全株枯死。如在結薯块后才受病,除薯藤显现枯萎現象外,可向薯塊發展而呈褐色条斑,最后变黑腐烂,發出刺鼻臭辣气味。瘟薯的病原初步認为是由细菌和镰刀菌所致。细菌中可分为白色粘滑型,黄色粘滑型,白色干绉型和黄色干绉型;鐮刀菌中包括白色气生菌丝型,白色菌丝基層稍呈紫紅色型,粉紅色菌丝基層呈紫紅色型,无气生菌丝型等。但究以哪类为主导,抑系并發性呢?仍須进一步研究。薯瘟病原的傳播,初步認为有三种方式:带病薯块和薯苗,病土,及昆虫(如小象鼻虫等),其中以前二种較为肯定,后一种則仅属可能,仍有待+于进一步試驗观察。甘薯各品种間确具有不同的抗病性能,如台农三号的抗病性較强而产量最高,又能抗旱,台农46号的抗病性最高,但产量則較低,因而台农三号是最有希望的品种,但在岑溪試驗地,会略有發現蔓割病(可能是薯瘟病原之一),临桂試驗田也会發生过多次。老藤繁殖会降低同一品种的抗病性和产量,值得我們注意。在旱地和水田不同試驗地上所得結果,可初步说明發病情况很不一致,追肥与不追肥处理的發病率也不一致。藥剂处理种苗效应不显著,翻晒土壤及二种种植法試驗结果不一致,想与試驗方法、試驗地不同和供試品种不同有密切关系。薯瘟的發生与發展和高温潮湿有密切关系,而这些气候因素对于植株的早期生??長壮健及增强抗病性也有关系。初步建議,在北流地区以立秋(8月上旬)种植較为适当。从临桂雁山、北流和岑溪三处的气候記录,和薯瘟开始發生与最后發生日期的記录看来,可以初步說平均气温23.4—28.4℃最适于薯瘟的發生。相对湿度平均在80%以上亦适于本病的發生。由此可見,在临桂雁山地区,薯瘟可能是容易發生的,不过停止發病日期会提早10—20天。其他地区如有相似气温与湿度情况,那也是会發生薯瘟的。根据二年試驗結果和調查所得情况,初步提出防治薯瘟的办法如次:(1)应采取种薯和种苗的檢疫措施,禁止病区的种薯运往無病地区,以防蔓延;(2)选育抗病品种为主,結合先进的栽培管理法;多施草木灰,适当施用石灰,根外追肥,适期种植等,以增强植株的抗病性,避免病害的侵染,保証丰产。目前在岑溪及北流地区,可先推广种植“台农三号”品种,并提倡以薯塊育苗,切勿采用老藤繁殖,以避免植株的衰退,减少薯瘟的發生。

It has been experienced that in Peking immediately after the soil is defrozen in the spring, no trace of soft-rot bacteria can be isolated from the field soil, although this organism can be readily isolated from the undecomposed residues of the Chinese cabbage in the field, if there is any. The soft rot of the Chinese cabbage in cellar develops throughout the storage period. It is therefore convinced that the-primary source of infection of the soft rot of the Chinese cabbage is either from the undecomposed residues...

It has been experienced that in Peking immediately after the soil is defrozen in the spring, no trace of soft-rot bacteria can be isolated from the field soil, although this organism can be readily isolated from the undecomposed residues of the Chinese cabbage in the field, if there is any. The soft rot of the Chinese cabbage in cellar develops throughout the storage period. It is therefore convinced that the-primary source of infection of the soft rot of the Chinese cabbage is either from the undecomposed residues from the field or from the debris in the cabbage cellar. The seed Chinese cabbage from the cellar after overwintering is planted out at the end of march and meanwhile carries the soft rot organisms to the field. Furthermore, a number of insects serves as spreaders. Isolations of a number of insects found either in cabbage cellar or in spring cabbage fields reveal that 76% of Sarcophaga sp., 66.8% of Fannia sp., 4% of Apis mellifera, 40% of Athalia rosae and 30% of Plutella maculipennis are found to carry soft-rot organisms both externally and internally. The results of an field experiment point out that the early diseased cabbage plants in the field serve as centers of infection of the soft-rot disease. The bacteria are disseminated in the field by the irrigation water. However, only those cabbage plants which are wounded at the basal part are liable to the attack. It is therefore suggested that in addition to the control of insect pests in connection with the adequate cultural practice, the thoroughness of eliminating the centers of infection by prompt removal of the diseased plants from the field every time before irrigation must be observed. In the present paper a rapid method for determining the pathogenic soft-rot bacteria from the soil is described.

白菜軟腐細菌Erivinia aroideae不能在田間土壤中越冬,但能在未分解的病菜根和病菜叶中越冬。用病根及病叶等所作的堆肥中不能分离出具有致病力的軟腐細菌。菜窖中的废菜叶为軟腐細菌越冬及繁殖的主要場所之一?杭居陕橛?Sarcophaga sp.)及花蝇(Fannia sp.)传布到田間的感病作物上,另外也可以由蜜蜂(Apis mellifera L.)、叶蜂(Athalia rosae L.)及小菜娥(Plutella maculipennis curtis)等繼續在白菜間传布。此外窖中移出的菜种株上亦带有病原細菌。因此認为菜窖中及田間殘菜根的越冬細菌是軟腐病的初次侵染源。菜畦內发生的早期病株是軟腐細菌的供給者。凡是畦內菜株受伤而有早期病株时全畦发病最重;畦內菜株无伤而无早期病株时发病最輕。在菜株受伤的情况下,早期病株的影响特别显著。灌溉水有在畦內传布病原細菌的能力。建議在防治中結合栽培及防虫必須注意在每次灌水前及早拔除早期病株,以增进防治的效果。

In the present paper, the morphogenesis and growth of the seedling of eggplant "Ling-ching Great-giant" had been studied. The morphological characters of different growth stage of the seedling are closely related to the cultural practices.

本文研究了茄子在育苗时期形态发生和地上部各器官生长量变化的规律。讨论了育苗期茄苗的生长分期及其临界形态阶段。分析了各期的生长特征和与栽培的关系,提出在育苗的不同时期如何掌握促进与控制相结合的育苗措施。

 
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