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。
Canopy is measured according to leaf-area-index (LAI) relative to wall area; for each unit of LAI, sunlight decreases by about half.
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。
Sensitivity of Tropical Land Climate to Leaf Area Index: Role of Surface Conductance versus Albedo.
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。
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.
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。
The soil moisture content and leaf area index (LAI) are the critical factors in energy partition process.
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。
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.
光在冠层内的分布，受叶面积指数和叶片消光系数支配。
The light distribution within the canopy is subject to the leaf area index and the extinction coefficient.
分析了北京大屯科技站水稻叶面积指数LAI、叶绿素密度CH。
The paper studied the variational process of leaf area index LAI, leaf chlorophyll density ch.
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。
Leaf area index and surface soil moisture are two basic factors of controlling evaporation.
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。
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.
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。
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.
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。
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.
叶面倾角分布（LAD）和叶面积指数（LAI）是植被冠层结构的重要参量。
The Leaf Angle Distribution (LAD) and Leaf Area Index (LAI) are important descriptors of the vegetation canopy.
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。
The selection index made up of several properties and conditions remarkably correlative with the leaf area has the highest relative efficiency of selection.
红菜苔叶片叶绿素含量、叶面积指数及比叶重与群体光合速率成正相关；
B. campestris content of leaf chlorophyll, leaf area index , leaf area-weight ratio were positive significantly correlated with the PR.
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 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.
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。
Cyclic sampling design was used to investigate leaf area index(LAI)in flux contributing source of eddy covariance flux tower swamp ecosystems of Haibei.
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。
Leaf area index (LAI) is a crucial parameter of vegetation canopy structure and controls a number of biophysical processes of vegetation.
从而说明本研究以叶面积指数和植物冠层盖度为基础进行叶片与种群间的尺度转换是可行的。
It indicates that the scale conversion between leaves level and population level based on canopy and leaves area index is feasible.
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。
When sowing time was later, the nutrition growth period was prolonged, the leaf area index was increased, and budding stage was prolonged.
叶面积指数呈“S”型增长，并符合逻辑斯蒂模型。
The leaf area index followed an "s" curve increase, conforming to a logistic model.
在生长后期，经过生物有机肥处理的株高、茎径和叶面积指数均比对照区高。
At the late period, plant height, stem diameter and leaf area index of the bio-organic fertilizer treatments were higher than that of the control.
并分析了返青后土壤蒸发随叶面积指数变化的规律。
Besides, the variation of evaporation from soil as related to leaf area index has also been calculated and analyzed.
林冠附生植物还具有较大的叶面积指数(LAI)。
叶面积指数和叶片氮素含量是决定小麦群体长势的重要生理指标，也是制定栽培管理措施的必要依据。
Wheat LAI and leaf nitrogen content are important physiological indices for determining the growth condition and necessary basis for establishing cultivation and management measure.
次生林和雨林林下阳春砂仁生物量、产量叶面积指数和各株型密度差异均不显著。
The density and biomass of the same plant types were not significantly different between the secondary forest and the rainforest.
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；
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.
铁、硼和钼肥能够促进牧草分蘖，提高叶面积指数和提高与杂草的竞争力，有利于牧草的光合作用和提高牧草质量。
Fe, b, mo fertilizer could promote forage tillering, enlarge LAI and strengthen competition ability with weeds, which favored photosynthesis and forage quality improvement.
分析认为，当叶面积指数较大时，棵间蒸发的现有研究结果尚存在较大的差别，而且高频灌溉条件下的土面蒸发有待于进一步研究。
In conclusion, there were some differences in the results of soil surface evaporation, when the leaf area index was large. A further study was needed under high-frequency irrigation.
随着叶面积指数（LAI）的增加，土壤热通量与净辐射之比，由返青初期的0．13迅速下降，直至较为稳定的0．06。
The experiments identify that with the increasing of LAI , the ratio of soil heat flux to net radiation decreases from 0 13 in the jointing to 0 06 in the milking.
喷施BN可以增大花生叶面积指数，提高光合效率，为花生高产奠定基础。
The peanut treated with BN could increase LAI and photosynthetic rate, which provided high yield.
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