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产量差
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  yield gap
     The yield gap between the PS-1 and PS-2 levels was largely explained by differences in soil type and rainfall.
     结果表明:PS-1和PS-2水平之间的产量差主要由水分和土壤质地差异造成;
短句来源
     Yield gap estimation by combining remote sensing and crop growth model
     基于遥感和作物生长模型的作物产量差估测
短句来源
     5. The yield gap between PS-1 potential and rain-fed productive potential of all various kinds of soil (YP1) in middle and high latitude area is the largest, and it decreased rulelessly to high latitude and low latitude area.
     5.各种土壤雨养条件下冬小麦的生产潜力与PS1之间的产量差(YP1)均呈现出中高纬度最大,向高纬度和低纬度地区非等距递减的规律。
短句来源
     There is a function relationship between technique adoption rate and yield gap between naked and film-mulching, corn price, plastic film cost and labors cost.
     地膜玉米技术采用率是地膜与露地玉米产量差、玉米价格及地膜和人工额外投入成本等因素的函数。
     Yield gap between naked and film-mulching apears with negative effect on adoption rate of film-mulching technique, which shows that lower intervention of the government, non-standard techniques with film-mulching area expansion in recent years have brought a serious affection on the diffusion of film-mulching technique.
     地膜与露地玉米产量差对地膜技术采用表现为负向效应,表明随地膜玉米面积增大,政府干预程度降低,农户种植技术不到位,增产幅度下降,效益下滑,已严重地影响了地膜玉米的扩散。
  “产量差”译为未确定词的双语例句
     The results are showed as following:1 Applications of S-3307 delayed the germination and growth of upper ground parts in seeding stage, an d hastened the development of root system, so shorten and strong the plant, and dissolved the problems of weak seeding, short vegetative growth period and bad quality and yield of transplanting that caused by too high temperature in middle and late of July;
     1、烯效唑浸种延迟了出苗,延缓了幼苗期地上部的生长,促进了根系的发育,使得植株矮壮,在移栽时还没有出现花芽,因而比较有效地解决了7月中下旬由于气温高导致幼苗生长快而弱,营养生长期缩短,移栽质量和产量差的问题。
短句来源
     The land use analysis model-PS1 was introduced in this paper. The suitable sowing date and density in Xiongxian county was simulated by using this model. The limiting factor, difference on yield, potential productivity were analyzed.
     介绍了荷兰土地利用系统分析模型PS1,利用该模型分析了雄县地区土地作为冬小麦利用类型的系统运行情况,模拟了冬小麦的适播期和适宜的播种量、现有品种的生产潜力、存在的产量差,提出了该地区土地利用的可持续应变措施,走资源节约型粮食增长之路。
短句来源
     It was run using data on summer maize collected in Handan, North China Plain (NCP) in 1998. Regionally differentiated yield gaps were analyzed by combining production calculations at PS-1, PS-2 and PS-X levels with farmer's household survey data.
     利用该模型,论文分别模拟了邯郸地区1998年夏玉米的光温生产潜力、水分限制下的生产力和实际产量,并通过比较不同模拟水平下产量和农户调查产量进行区域产量差分析。
短句来源
  相似匹配句对
     Accordingly, the herbs with lower yield or poorer feeding value were increased.
     质量产量低的草本在增加 ;
短句来源
     The prognosis of MFH of head and neck is poor.
     预后
短句来源
     ⑧poor prognosis.
     预后
短句来源
     With continuing to turn,the reaction is quick,the color of product is light and the product yield is high.
     产量高;
短句来源
     Yield gap estimation by combining remote sensing and crop growth model
     基于遥感和作物生长模型的作物产量估测
短句来源
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  yield gap
Based on research findings, we conclude that the use of 1 seedling hill-1 is most appropriate for timely sowing otherwise 4 seedlings hill-1 should be used to compensate for the yield gap in late transplanted rice.
      
The absence of a basic amino acid in position 50 suggests the rhesus sequence may be cleaved to yield GAP peptides different from the human placenta.
      
The yield gap between the plots where leaves had been returned vs.
      
This may help in reducing the yield gap between tropical and sub-tropical regions.
      
Wheat production is one of the economic mainstays in South Asia, but the yield gap between farmers' fields and experimental yields is wide across the region.
      
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  yield difference
The yield difference appeared due to greater individual grain weight for the flooded treatment.
      
This yield difference became smaller with the application of N and P fertilizer.
      
Certain generalized increments yield difference equations in the variogram which permit graphical checking of the model.
      
Similarly, without a green manure crop, there was no yield difference between fertilized plots receiving 112 vs.
      
Clover yield in 1997 following 1996 corn production was greatest in the untreated control, but there was no clover yield difference in 1998 following either 1996 or 1997 corn production.
      
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Through the field experiments and determination of soil nutrients,this paper indicates that nutrients required by the yields(the basal yie-lds)in the blank plot are provided by soil,and that the yields in thehigh yielding plot are considered as the planned yields.And then,thecorrelative regression equation of the yields in the blank and high-yield-ing plots is used to study the different amounts of fertilizers appliedto different crops with different yields.Thus,the yield obtained fromthe difference between...

Through the field experiments and determination of soil nutrients,this paper indicates that nutrients required by the yields(the basal yie-lds)in the blank plot are provided by soil,and that the yields in thehigh yielding plot are considered as the planned yields.And then,thecorrelative regression equation of the yields in the blank and high-yield-ing plots is used to study the different amounts of fertilizers appliedto different crops with different yields.Thus,the yield obtained fromthe difference between the planned yields and basal yields is consideredas nutrients supplied by fertilizer.The amount of fertilizer applied tothe planned yields of winter wheat and corn is calculated with the fer-tilizer application equation suggested in this research whose accuracyis quite high after being tested

本文通过田间试验和土壤养分的测定,提出以空白区产量(基础产量)所需营养为土壤供给,丰产区产量为计划产量。然后应用有关空白区产量与计划产量的相关回归方程,研完了不同作物、不同产量的施肥量,计划产量与基础产量之差所获得的产量为肥料养分供给。按本研究提出的冬小麦、玉米计划产量的施肥量公式计算施肥量,经验证准确性较高。

This article researched the synthetical effects of nine cultural factors in the yield of the grains of winter wheat by means of the designing way by stages of the normal rotative composition of the polybasic quadratic regression .That the condition of wheat seedlings in winter was selected as the key target in the middle of the life cycle found the two experimental stages of the preceding and the following.

本文应用多元二次回归正交旋转组合分段设计方法,研究了九因素对小麦产量的综合影响。中间选用冬前苗情做关键指标,承上启下使两段试验联成一体。为摸清前段措施后效作用对产量的影响,通过反馈计算求得后效产量Δy_1进而按试验设计配置x_6(根据前段苗情)、y_2(根据后段产量),Δy(根据前段实际产量与理论产量之差)三个多元二次回归数学模型,并将三者组合运用,进行综合寻优或分段决策,收到了良好效果。

This paper gives a routine prediction model for cotton prediction of China. The main idea here is that the whole cotton production area of China would be divided into three sub-region, the Yellow River cotton production region, the Yangtze River cotton production region and the westen China cotton production region. The regional prediction model for each region and the state prediction model are established with the cotton yield difference and the meteorological elements difference between the nabouring years....

This paper gives a routine prediction model for cotton prediction of China. The main idea here is that the whole cotton production area of China would be divided into three sub-region, the Yellow River cotton production region, the Yangtze River cotton production region and the westen China cotton production region. The regional prediction model for each region and the state prediction model are established with the cotton yield difference and the meteorological elements difference between the nabouring years.

本文旨在建立应用于业务的全国棉花产量预报模式。其基本思路是,将全国棉花产区分成黄河流域、长江流域、西部内陆三大棉区,应用连续两年的产量差和气象要素差分别建立区域预报模式和全国预报模式。

 
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