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   canopy structure 在 农艺学 分类中 的翻译结果: 查询用时:0.189秒
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canopy structure
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  canopy structure
The results show that small-diameter Korean pines' origination and growth have close relations to the overstory canopy structure dynamics and play an important role in the maintenance and development of Korean pine forest.
      
Canopy structure would influence DTS and DCR across canopy-atmosphere interface remarkably.
      
deltoides, was used to evaluate the genetic basis of canopy structure and function in a clonally replicated plantation.
      
Canopy structure, shoot design, and photosynthetic light recruitment were used to compare four coexisting dwarf shrub species with respect to light utilization.
      
Canopy structure and physiology of paper birch are examined in the field during two growing seasons.
      
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Liu Ruiwen (Institute of Geography,CAS,Beijing 100101) :Patterns and technologies for high yield of delayed planting winter wheat after cotton harvested,EAR,3(4)1995:58 -62After several years experiments and extensive investigations on late planted winter wheat after cotton harvested,the canopy structure and its influence on yield were analysed systematically. The results showed that the optimum LAI was about 5. 5 to 6. 0,the vertical distribution of leaf area was uniform and most of the ears were from...

Liu Ruiwen (Institute of Geography,CAS,Beijing 100101) :Patterns and technologies for high yield of delayed planting winter wheat after cotton harvested,EAR,3(4)1995:58 -62After several years experiments and extensive investigations on late planted winter wheat after cotton harvested,the canopy structure and its influence on yield were analysed systematically. The results showed that the optimum LAI was about 5. 5 to 6. 0,the vertical distribution of leaf area was uniform and most of the ears were from main stalk. The length of green leaf area extending period,dry matter production and partitioning condition were also analysed. Based on the results,an optimum pattern for high yield of the late planting winter wheat after cotton harvested was that high density of stalk,suitable varieties and appropriate fertilizer and water supply.

刘瑞文:棉茬晚播麦高产生长模式试验及其栽培技术,《生态农业研究》,3(4)1995:58—62 通过对棉茬晚播麦进行多年试验测定和大面积调查,系统地研究了其群体结构及其对产量的影响,分析了不同产量麦田各生育期的叶面积延续时间(LAD)及干物质生产与分配。提出鲁西北地区棉茬晚播麦的高密度栽培技术及其配套品种和肥水管理措施,并研究了单项技术对晚播麦的增产效果。

Based on the wheat corn double cropping system, the intercropping pattern of wheat/cron/corn was developed in Huang Huai Plain. The new pattern had higher productivity and resources use efficiency. The yield and the utilization rate of solar energy and heat increased by more than 20%. It showed that this new multiple cropping pattern is an effective way to further increase yield in this region. The key points for wheat/cron/cron pattern to get high yield are to construct multiple canopy structure...

Based on the wheat corn double cropping system, the intercropping pattern of wheat/cron/corn was developed in Huang Huai Plain. The new pattern had higher productivity and resources use efficiency. The yield and the utilization rate of solar energy and heat increased by more than 20%. It showed that this new multiple cropping pattern is an effective way to further increase yield in this region. The key points for wheat/cron/cron pattern to get high yield are to construct multiple canopy structure to add total ears, and improve both of the light penetrating state and light intercepting capacity. The important cultivation measures for the wheat/corn/cron were to select suitable variety, moderate density and stripe type, especially to improve technologies of early planting and harvesting.

在冬小麦 -夏玉米两熟模式基础上开发的冬小麦 /春玉米 /夏玉米多熟间套模式 ,具有较高的生产潜力和资源利用效率 ,其单产水平和光热资源利用率提高 2 0 %多 ,是农田在吨粮基础上实现高产再高产的一种新尝试。该模式实现高产的关键是充分利用间套作复合群体高强度的纳密功能 ,并形成一个高光效的群体结构 ,使复合群体的受光改善和截光能力增强。从栽培技术角度 ,确定适宜的品种组合和田间配置 ,解决好春玉米的早播早熟是该模式成功应用的关键

This paper analyses wheat/corn compound canopy structure,by using the CI 110 digital plant canopy image,measures the leaf index\,mean leaf angle\,TD\,TR\,extinction coefficient and Leaf distribution.The analysis indicates:the TD and TR is two times larger than contrast,the light energy utilization ration clearly raises,especially middle and lower part lighting quantity raises,the production of the fringe of grain is high,its initial conclusion provides theory basis for wheat/corn plant.

对麦田套种玉米种植方式的群体结构进行了分析 ,利用CI 110数字植物冠层结构分析仪 ,测定了群体的叶面积指数、平均叶簇叶倾角、散射光透过系数、直射光透过系数、消光系数、叶分布指标 ,分析表明 :套种玉米的带田种植方式的散射光透过系数、直射光透过系数都比对照提高一倍多 ,光能利用率明显提高 ,特别是中下部采光量提高 ,利于穗位叶生产较多的光合产物

 
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