Canopy is measured according to leaf-area-index (LAI) relative to wall area; for each unit of LAI, sunlight decreases by about half.
雨棚是根据相对于墙体面积的叶面积指数(LAI)来测量的；每单位LAI，日照减少约一半。
Leaf area index and surface soil moisture are two basic factors of controlling evaporation.
叶面积指数和表层土壤含水量是控制蒸发的两个基本因素。
The soil moisture content and leaf area index (LAI) are the critical factors in energy partition process.
在平衡过程中，土壤含水量和叶面积指数(LAI)是决定能量分配的关键因素。
Sensitivity of Tropical Land Climate to Leaf Area Index: Role of Surface Conductance versus Albedo.
热带陆地气候对叶面积指数的敏感性：地面传导与反照率的作用。
Leaf area index (LAI) is not only an important attribute of land surface vegetation system, but also a key parameter for the models of global water balancing and carbon circulation.
叶面积指数LAI不仅是陆表植被系统的一个重要属性，而且是全球水平衡、碳循环等模型中的重要输入参数。
Leaf area index (LAI) is a crucial parameter of vegetation canopy structure and controls a number of biophysical processes of vegetation.
叶面积指数(LAI)是植被冠层结构的一个重要参数，它的改变标志着植被发生了生物物理变化。
This paper presents the method of how to measure the leaf area index and the percentage of vegetation by using the general digital camera and image processing most in use.
本文介绍了使用普通数码相机并用常用的图像处理软件测量叶面积指数和植被覆盖率的方法，阐明摄像和图像处理的基本要求及人工干预操作。
The light distribution within the canopy is subject to the leaf area index and the extinction coefficient.
光在冠层内的分布，受叶面积指数和叶片消光系数支配。
Compared with the CRMS, the height, leaf area index and biomass of rice in IRDFS decreased and there was a significant difference during the tillering and heading stage.
与常规水稻栽培方式相比，鸭稻共作方式下水稻株高、叶面积指数、生物量有减小的趋势，而且在有效分蘖期和幼穗分化期存在着显著或极显著差异。
In the model, the leaf area index (LAI), crop coefficients, and root penetration and distribution were simulated for the winter wheat and summer corn double cropping system.
模型对冬小麦—夏玉米轮作体系作物叶面积指数、作物系数、根系生长与分布进行了模拟。
Cyclic sampling design was used to investigate leaf area index(LAI)in flux contributing source of eddy covariance flux tower swamp ecosystems of Haibei.
使用循环采样设计方案，对海北沼泽化湿地生态系统涡度相关通量观测塔的通量贡献区内叶面积指数进行了实地调查。
In each of growth stages, the total available radiation in sunlight wasn't same, the average light compensation point of colony leaves was different, so was the most large leaf area index.
不同生育期太阳光中的有效辐射总量不同，群体叶片的平均光补偿点不同，最大的叶面积系数指标也不同。
Besides, the variation of evaporation from soil as related to leaf area index has also been calculated and analyzed.
并分析了返青后土壤蒸发随叶面积指数变化的规律。
Epiphytes have a tremendous leaf area index (LAI).
林冠附生植物还具有较大的叶面积指数(LAI)。
Summer maize water consumption varied exponentially with maize leaf area index at the filling stage.
拔节抽雄期夏玉米耗水量与玉米叶面积系数呈正相关；
Interplanting leaf area index, the daily changes of light transmittance and light intensity in the middle part of the canopy are observed with the LAI-2000 type and photometer.
采用LAI-2000冠层仪和照度计进行行间叶面积指数、株间透光率及树冠中部光照强度日变化进行测定；
So are the changes of the leaf area index and root number.
叶面积系数和根条数变化也是如此。
Besides, the variation of evaporation from soil as related to leaf area index...
并分析了返青后土壤蒸发随叶面积指数变化的规律。
Leaf area index (LAI) is an important parameter for describing vegetation canopy structure in the terrestrial ecosystem.
叶面积指数(LAI)是描述在陆地生态系统植被冠层结构的一个重要参数。
In long shoot, the leaf width, leaf length, leaf area, petiole length and basal Angle decreased, but the leaf index and the ratio of lobation increased as its arrangement increased.
一年生长枝叶片的叶宽、叶长、叶面积、叶柄长、叶基角均随叶序的增加逐渐减小，叶形指数和有缺刻叶的比例则增加。
The result showed that the light distribution in the canopy were obviously affected by the leaf area index (LAI), the structure of canopy, solar radiation and its apparent movement, etc.
结果表明：梨树叶幕光能分布状况直接受叶面积系数、树冠结构、太阳位置及光强的影响。
Leaf area index (LAI) is an essential parameter for monitoring crop growth dynamic.
叶面积指数(LAI)是估算作物生长的关键参数。
The paper studied the variational process of leaf area index LAI, leaf chlorophyll density ch.
分析了北京大屯科技站水稻叶面积指数LAI、叶绿素密度CH。
This new metric, the green plot ratio (GPR), is based on a common biological parameter called the leaf area index (LAI), which is defined as the single-side leaf area per unit ground area.
这个新指标——绿色容积率(GPR)是以一个通常被称作叶面积指数(LAI)的生物参数作为基础，该参数被定义为每单位地块面积上的单面叶面积总和。
The fruit yield of sweet orange was found to be highly significantly correlated with planting density, canopy cover rate, leaf area index and light intensity in densely planted orchards.
柑桔栽植密度、树冠覆盖率、叶面积系数和光照强度与产量呈极显著相关。
The vegetation index (NDVI) and leaf area index (LAI) are two key important land vegetation ecosystem status parameters.
植被指数(NDVI)和叶面积指数(LAI)是两个非常重要的陆地生态系统植被状态参数。
Leaf area measure, as a physiology index, is important for shoot diagnose in field, so the suitable conversion coefficient should be determined for the leaf area measure.
应用长宽系数法测定苎麻叶面积时，需要求出相应的换算系数。
The selection index made up of several properties and conditions remarkably correlative with the leaf area has the highest relative efficiency of selection.
由与叶面积显著相关的多个性状组成的选择指数，选择的相对效率最高。
When sowing time was later, the nutrition growth period was prolonged, the leaf area index was increased, and budding stage was prolonged.
晚播可延长营养生长的时间，增大叶面积指数、延迟现蕾、集中结铃作用明显。
The interplanting leaf area index after branch drawing was increased 119.0% more than the contrast, interplanting light transmittance was twice more than the contrast;
拉枝处理后行间叶面积指数较对照提高119.0%，株间透光率较对照提高1倍；
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