查询词典 crop index

At the same time, mature sheath still have the capacity of Cl~--exclusion.2 Alleviative effect of exogenous substance under salt stressThe salt tolerance of plant is a integrative mechanism, its fit to salt stress was multifarious, the salt tolerance of crop is a kind of complicated physiological mechanism that is the acted together result of genetic characteristic and exoteric condition, the alleviative effect on salt stress caused by exogenous substance was realize through different approach, so it is very difficult to explain the relation of exogenous substance and salt tolerance with a given index.

成熟叶叶鞘同时还具有拒Cl~-能力。2外源物质对盐胁迫的缓解作用植物的耐盐性是一种综合机制，其对盐胁迫的适应也是多种多样的，作物的耐盐性是一种相当复杂的生理功能，是遗传特性与外界环境共同作用的结果，不同的外源物质对盐胁迫的缓解作用是通过不同途径实现的，因而很难用某一个指标来说明外源物质与耐盐性的关系。

This study proposed a new method for extracting multiple cropping index on pixel level with multi-temporal moderate-resolution imaging spectroradiometer enhanced vegetation index data based on the crop phenology and decision tree. The method could be divided into two steps.

该文通过深入分析农作物的农时历和耕地的时间序列植被指数曲线的对应关系，提取了反映作物种植模式的特征时相，并以特征时相的EVI值作为特征参量，构建了提取耕地复种指数的决策树方法。

Directional Brightness Temperature of 3D row crop canopy generated by the Clumped Architecture Model of Plants were calculated efficiently and accurately based on the Persistence of Vision Raytracer software. Clumping index, average leaf angle and leaf area index are main parameters of CLAMP model. By analyzing the sensitivity of these parameters to DBT, the changing rules of DBT were found.

利用POV-ray光线追踪方法，对植被真实结构模型生成的复杂行播场景下的方向亮温进行快速演算，并针对CLAMP模型中集聚指数，平均叶倾角和叶面积指数，对冠层方向亮温的影响做敏感性分析，得到在不同参数输入条件下DBT的一些规律。

Results of edaphon diversity by DGGE analysis of soil DNA showed that both bacteria and fungi Shannon index of treatment N_U were lower than those of treatment No, which suggested that planting crop decreased the soil microbial Shannon index.

油菜地各处理的土壤N_2O、CO_2排放通量高于小麦地相应处理，常规处理和无氮处理的土壤N_2O、CO_2排放通量高于空闲地处理，说明作物的生长促进了土壤温室气体的排放。

Crop Water Deficit Index is used as a drought monitoring index to explore its applicability in different agricultural areas.

将作物水分亏缺指数作为干旱识别指标，对其在我国不同农区适用性进行了探讨。

For a given rice variety, the crop harvest index, which is calculated by the grain yield divided by total dry matter produced above ground, may vary with crop management practices used.

对于给定的水稻品种，作物收获指数（由籽粒产量除以地上部分总干物重求得）可能随作物管理措施不同而变化。

This paper, by establishing some functions between theoretic unit production of standard crop and natural quality of farmland graduation, and between feasible unit production of standard crop and utilization index, verifies the theoretic unit production, feasible unit production, and based on this, the regional theoretic unit production, regional feasible unit production.

通过建立农用地分等单元标准粮理论单产和自然质量等指数的函数关系、标准粮可实现单产和利用等指数的函数关系，分别核算分等单元的理论单产及可实现单产，以此为基础核算区域理论产能及可实现产能。

Fifteen japonica and 15 indica rice cultivars were grown in the field for two crop seasons both in Taipei and Taichung. Samples were taken at 4 different growth stages (booting, heading, milky and dough stage) during each season to obtain data of leaf atea index, leaf area duration, leaf N concentration, the amount of dry matter accumulated , crop growth rate, and net assimilation rate.

本试验以稉秈稻各十五个品种为材料，分别於台北及台中进行两期作之田间试验，并於孕梗期、抽梗期、乳熟期及糊熟期取样，测定叶片氮素浓度、叶面积及总乾物重，并求叶面积指数、叶面积持续期、作物生长速率及净同化率。

Main conclusion of this study is the simulation model of growth and dry matter accumulation of pepper under different water irrigation quartity, for maximum index is 100%, 90%, 80%, 70%, and minimum index is 60%. Under this theme, through systematic summarization of the achieved research result and current status related to crop growth and development model.

本试验主要研究上限100％、90％、80％、70％，下限统一为60％田间持水量这样四个不同水分条件下辣椒生长发育及干物质积累的模拟模型，在此主体下，系统地总结和分析了国内外有关作物生长发育模型的研究成果、发展现状，尤其对设施园艺作物模型的建模原理、研究方法以及模型的应用等关键问题进行了初步探讨。

Reference crop evapotranspiration (ET0) and new wetness index were both calculated and analyzed according to Penman-Monteith scheme recommended by FAO with routine meteorological data from 616 weather stations in China from 1975 to 2004. In terms of grades of wetness index from Chinese Climate Classification Criterion, China is classified into severe arid, arid, semi-arid, semi-humid and humid zones, respectively, which are compared with the demarcations from rainfall-based indices in order to reveal the similarity and difference in association with the two schemes under current global climate warming. Besides, the spatio-temporal analysis of climate wetness over the country in the past thirty years was performed.

依据中国616个地面气象台站1975年至2004年的日气象资料，利用联合国粮农组织推荐的参考蒸散计算方法，计算参考作物蒸散（ET0）和湿润指数，按照中国气候区划中的干湿指标把中国分为极干旱、干旱、半干旱、半湿润和湿润气候区，并与传统的降水量干湿指标进行对比，揭示在全球气候变化下两种干湿指标的异同，最后对中国近30 a干湿状况进行时空分析。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。