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harvesting methods
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  采收方式
     Effects of Nitrogen Fertilizer and Harvesting Methods on Content of the Main Volatile Aroma Components of Flue-Cured Tobacco
     施氮及采收方式对烤烟主要挥发性香气物质含量的影响
短句来源
     Effects of Root Cutting,Leaf Population and Harvesting Methods on Nicotine Content and Physiological Character of Upper Leaves of K326
     伤根·留叶数·采收方式对K326上部叶烟碱及生理性状的影响
短句来源
     An orthogonal test table L_9(3~4) was used with the factors of root cutting,leaf population and harvesting methods to research the nicotine content and certain physiological characters change of upper leaves of K326.The results were as follows:the nicotine content of each treatment was declined compared with CK.
     以伤根、留叶数、上部叶不同采收方式3因素组合按L9(34)正交试验研究了K326上部叶烟碱含量及某些生理性状的变化。 结果表明:各处理上部叶烟碱含量与对照相比总体上呈下降趋势。
短句来源
     As to the studies on the control of both of the injurious mites in mulberry plantations in terms of harvesting methods and chemical measures, the top-clipping harvesting methods and the ordinary leaf-harvesting method had a different effect on the population density of the mites in the field;
     从采收方式及化学防治研究了桑园两种害螨的控制,打顶和正常采叶对两种害螨田间种群密度有不同的影响。
短句来源
     Experiments were conducted to study effects of different harvesting methods, maturity, numbers of leaves remained and languished time on nicotine, starch and chlorophyll content, economic properties and quality of K326, a variety of flue-cured tobacco, to improve the usability of upper leaves. The results were as follows:
     为提高上部叶工业可用性,本研究以烤烟品种K326为材料,采用四因素随机区组设计,研究了采收方式、成熟度、留叶数和凋萎时间四个因素不同组合对烟碱、淀粉、叶绿素含量以及烤后烟叶经济性状和内在品质的影响,结果如下:
短句来源
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  收获方法
     Adopting technical innovation measures on the harvesting methods of threshing crops prior to spreading chopped straw on field, straw chopper with blades and special structures in stripping head etc ensured the stable harvesting function, also effectively solved the difficult problems that restrict achieving industrialization to stripping combine harvester at the same time, which influence adaptability for crops and reliability of stripping combine harvester, give full play to efficient stripping technique and realize over 2m harvesting width in structure.
     采用先梳脱籽粒后碎稿回田的收获方法、锤片式禾秆处理装置、梳穗台中的一些特殊结构等技术创新措施确保了机器作业性能稳定,并同时有效地解决了影响梳穗联合收割机的适应性与可靠性,梳穗技术高效率的发挥及在结构上实现2m以上割幅等一系列制约梳穗联合收割机实现产业化的难题。
     Adopting technical innovation measures on the harvesting methods of threshing crops prior to spreading chopped straw on field, straw chopper with blades and special structures in stripping head etc ensured the stable harvesting function, also effectively solved the difficult problems that restrict achieving industrialization to stripping combine harvester at the same time, which influence adaptability for crops and reliability of stripping combine harvester, give full play to efficient stripping technique and realize over 2m harvesting width in structure.
     采用先梳脱籽粒后碎稿回田的收获方法、锤片式禾秆处理装置、梳穗台中的一些特殊结构等技术创新措施确保了机器作业性能稳定,并同时有效地解决影响梳穗联合收割机的适应性与可靠性、梳穗技术高效率的发挥及在结构上实现2米以上割幅等一系列制约梳穗联合收割机实现产业化的难题。
  “harvesting methods”译为未确定词的双语例句
     Simulating experiments were conducted during 1998~2000 to discover the effects of different waterharvesting methods.
     于1998~2000年设置了天然降雨下渗与径流模拟试验,以比较本田集雨、全覆盖集雨、旱井集雨等集雨方式的效果。
短句来源
     ③Studied French advanced harvesting methods of defleecing with "Lagodendron",selected and determined the best dose and the harvesting methods.
     ③筛选确定了法国先进的Lagodendron植物脱毛技术的最佳剂量及其使用方法
短句来源
     The authors discussed the effects of harvesting methods on the forest landscape with the quantitive(AHP) and qualitative methods.
     本文着重从森林景观角度出发.探讨了不同森林采伐模式对作业迹地森林景观的影响.在实地调查的基础上.采用定性定量相结合的方法对作业地的森林景观进行了评价.提出了一套评价标准。
短句来源
     The current situation and development trends of harvesting methods in Daxin'anling forest areas
     大兴安岭林区森工采运方式现状及发展趋势研究
短句来源
     This paper studied the change of physiology of burley tobacco during air-curing and the influence of microwave treatments and different harvesting methods on quality of burley tobacco.
     本文研究了白肋烟晾制过程中主要生理变化和微波处理及不同收晾方法对白肋烟品质的影响。
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  harvesting methods
Effects of soil disinfection and potato harvesting methods on stem infection byRhizoctonia solani Kühn in the following year
      
Selective cutting is one of many harvesting methods alternative to clear-cutting.
      
The use of visual cover recording should be supplemented by frequency analysis and harvesting methods to get better estimates of changes in vegetation structure.
      
The effects that different harvesting methods have on the growth of sub-canopy kelps, kelp population structure and kelp recruitment were tested in a kelp bed at Bordjies Rif near Cape Town.
      
In relation to farming practices, this difference implies that planting and harvesting methods and strategies vary between habitats where cultivation is being carried out on a commercial scale.
      
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Problems on objectives of radiation breeding for rice and wheat improvements,the sources of and selection criteria for the parent varieties or lines to be irradiated,approaches to dose determination in treating the dried seeds of the cereal,designing of the size of M1,M2 and M3 populations,planning of the seeding rate and harvesting method in M! and M2 generations according to the breeding objective,methods for selecting M1 and M2 mutants etc.are discussed in the paper.Some suggestions and proposals...

Problems on objectives of radiation breeding for rice and wheat improvements,the sources of and selection criteria for the parent varieties or lines to be irradiated,approaches to dose determination in treating the dried seeds of the cereal,designing of the size of M1,M2 and M3 populations,planning of the seeding rate and harvesting method in M! and M2 generations according to the breeding objective,methods for selecting M1 and M2 mutants etc.are discussed in the paper.Some suggestions and proposals with regard to improvement for the breeding technique are also put forward by the authors for further dissussion.

本文就稻麦辐射育种工作中有关选育目标、基础材料的选择、照射量的选定、M_1和M_2代的群体规模和种植方法等方面的问题,提出一些建议性或归纳性的初步看法,以供讨论。

Based on the allmetric method and quadrat-harvesting method, thestanding crop of biomass of the Korean pine plantation in the east moun-tain areas of Northeast China was determined and discussed in the pres-ent paper. The results are as follows: The total biomass of Korean pine commun-ity was 132.419 t/ha, in which the biomass of tree layer, undergrowthlayer, herb layer, litter and standing dead was 106.881 t/ha, 0.517 t/ha,0.292 t/ha, 20.411 t/ha and 4.328 t/ha respectively, the percentage of eachcomponent...

Based on the allmetric method and quadrat-harvesting method, thestanding crop of biomass of the Korean pine plantation in the east moun-tain areas of Northeast China was determined and discussed in the pres-ent paper. The results are as follows: The total biomass of Korean pine commun-ity was 132.419 t/ha, in which the biomass of tree layer, undergrowthlayer, herb layer, litter and standing dead was 106.881 t/ha, 0.517 t/ha,0.292 t/ha, 20.411 t/ha and 4.328 t/ha respectively, the percentage of eachcomponent to the total biomass was 80.71%, 0.38%, 0.22%, 15.41% and3.28% respectively Based on the analysis of distrbution structure of the biomass in koreanpine community, tending felling must be conducted urgentyly in Korean pine:plantation so as to regulate the structure of production and improve theintegrate effect of the community.

本文对东北东部山区红松人工林群落生物量进行了测定和研究。根据相对生长法和样方收获法分别调查和计算了乔木层、下木层、草本层、凋落层、立枯量的生物量。研究结果表明:群落总生物量为132.419t/ha,其中乔木层106.881t/ha,占总量的80.71%;下木层0.507t/ha,占总量的0.38%;草本层0.292t/ha,占总量的0.22%;凋落层20.411t/ha,占总量的15.41%;立枯量4.328t/ha,占总量的3.28%。通过群落生物量分布结构分析,红松人工林急需进行抚育间伐,调整群落产量结构,提高群落结构的整体效应。

In this paper, the biomass of Ostryopsis davidiana bush-wood in Yunding Mountain, Shanxi Province, at an altitude of 1700m is predicated by using various regression models. The best model chosen is O. davidiann W_((shoot))=2.1206(D~2H)~(0.5976), W_((leaves))=0.2638(D~2H)~(0.6144), W_((root))=1.7739(D_2H)~(0.5469)The model type of Spiraea pubescens is identical with that of O.davidiana.Biomass of other shrubs and herbs is determinded by harvesting method. Finally, the total biomass is 6.245T/ha, including...

In this paper, the biomass of Ostryopsis davidiana bush-wood in Yunding Mountain, Shanxi Province, at an altitude of 1700m is predicated by using various regression models. The best model chosen is O. davidiann W_((shoot))=2.1206(D~2H)~(0.5976), W_((leaves))=0.2638(D~2H)~(0.6144), W_((root))=1.7739(D_2H)~(0.5469)The model type of Spiraea pubescens is identical with that of O.davidiana.Biomass of other shrubs and herbs is determinded by harvesting method. Finally, the total biomass is 6.245T/ha, including the shrub layer 6.105T/ha, the herbaceous layer 0.14T/ha, in June. Moreover, the fitting degree of curvilinear regression equation is tested by correlation index, in stead of correlation coefficient which has been unsuitably used for testing in similar works.

本文对云顶山海拔1700米处的虎榛子灌丛的生物量用多种回归模型进行了预测,选出最优回归模型为:虎榛子(枝)=2.1206(D~2H)~(0.5976),(叶)=0.2638(D~2H)~(0.6144),(根)=1.7739(D~2H)~(0.5469);土庄绣线菊模型形式与虎榛子相同,其余灌木和草本植物用收获法测定。最后得出,在6月虎榛子灌丛的总生物量为6.245吨/公顷,其中灌木层生物量为6.105吨/公顷,草本层生物量为0.14吨/公顷。此外,用相关指数来检验曲线回归方程的拟合程度,而不采用在类似的研究中用相关系数来检验曲线回归这一不合适的方法。

 
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