ratio of leaf age是什么意思

网络释义

用法例句

Glyphosate rate and perennial sowthistle leaf stage also affected deadrootstock length,though to a lesser extent.

模型解析结果表明,草甘膦对芽根的防除长度受芽根本身长度影响最大,其次为草甘膦用药量和苣荬菜叶龄大小。

The influence of leaf stage on the performance of nicosulfur.

杂草叶龄对烟嘧磺隆的药效有明显的影响 ,3～5叶期施药 ,防效高达 89。

Dynamic laws of chlorophyll fluorescence parameters in needle leaves of different leaf ages and locations of Pinus armandii;

华山松不同叶龄、部位针叶叶绿素荧光参数的动态变化规律

Host leaf age preference of adult Bemisia tabaci (Homoptera: Aleyrodidae) and its relationship with offspring performance;

烟粉虱成虫对黄瓜叶龄的喜好性及与后代发育适合度间的关系

Effects of canopy position and leaf age on photosynthesis and transpiration of Pinus koraiensis;

冠层部位和叶龄对红松光合蒸腾特性的影响

Relationship between photosynthesis and leaf ages of grapevine under enhanced ultraviolet-B radiation;

UV-B辐射增强下葡萄叶片光合特性与叶龄关系的研究

Study on the Effects Induced by Photoperiod to Different Leaf Ages before Flowering in Adzuki Bean;

红小豆花前不同叶龄光周期诱导效应研究

According to random sampling data of small Chinese cabbage for different sowing date in Shanghai, leaf ages are estimated by growing model of plant and effective acumulated temperature from 9℃ to 25℃ in the growing period of small Chinese cabbage.

根据对不同播种期鸡毛菜的抽样测定资料，采用植物生长模型结合鸡毛菜生产期间９～２５℃的有效积温对叶龄进行估算，叶龄估算的绝对误差在０。

Experimentation was took at Jilin Agriculture University s rice product experiment base, setting by two factors: the density and the foliar age when transplanted ,every factor has 4 level ,plant density :A 50cmx50cm(40 thousand aperture/ hm~2);B 30cmx30cm (110 thous.

试验于2003年在吉林农业大学水稻生产实验基地进行,试验设定两个因素,即密度和移栽叶龄,每个因素4个水平,种植密度:A为50cm×50cm(4万穴/hm~2);B为30cm×30cm(11万穴/hm~2);C为30cm×18。

Nutrition and Growth of Leaves at Different Leaf Ages in Tetraploid Robinia pseudoacacia

四倍体刺槐不同叶龄叶片的营养及叶形变化

Study on Leaf-Age-Model Cultivation Method for High Yield in Barley Ⅱ. Leaf-Age-Model of Increasing Ears and Grains in Barley

大麦高产叶龄模式栽培法的研究 Ⅱ 大麦增穗增粒的叶龄模式

Study on Leaf-Age-Model Cultivated Methods for Barley High-Yield I. Leaf-Age-Nodel of Barley Organ Formation

大麦高产叶龄模式栽培法的研究 Ⅰ.大麦器官建成的叶龄模式

Studies on Effects of Nitrogen Application Amount and Leaf Age to Flue-cured Tobacco Usability;

烤烟施氮水平及叶龄对烟叶可用性的影响研究

Influencing Factors on Photosynthetic Characteristic of Superior Clones of Camellia oleifera--Leaf Age and Leaf Position

油茶优良无性系光合特性的影响因子——叶龄、叶位

Basic Studies on Cultivation according to the Leaf Age Model of the Cultivar″Qingpi No, 3″in Kenaf (Hibiscus cannabinus L.) I Leaf Age and Fiber Differentiation Period

红麻品种青皮3号叶龄模式栽培的基础研究Ⅰ　叶龄与纤维发育进程

Basic Studies on Cultivation according to the Leaf Age Model of the Cultivar "Qingpi No.3" in Kenaf ( Hibiscus cannabinus L.) Ⅱ Leaf Age in relation to the Stages of Growth, Fiber Accumulation and Strength Increase

红麻品种青皮3号叶龄模式栽培的基础研究?Ⅱ 叶龄与生长阶段及产量、品质的形成

Seedlings with 3.5 or 4.5 leaves were transplanted to obtain the most grains per panicle and yields.

3.5和4.5叶龄插秧时每穗粒数最多、产量最高。

Corresponding Relationship of Maize Leaf Age Index, Ear Differentiation and Shape

玉米叶龄指数与穗分化及外部形态的对应关系

RELATIONSHIP BETWEEN PHOTOSYNTHETIC RATE OF SUMMER SOYBEAN AND LEAF AGE, AMONT OF WATER AND FERTILIZER SUPPLY

夏大豆光合速率与叶龄及水肥条件的关系

Early Prediction of Flowering Synchronization by Leaf Age Curvilinear Equation Method in Hybrid Rice Seed Production

用叶龄曲线方程早期预测杂交水稻制种花期

Studies on the Different Leaf Age Physiological of P.cornutum and P.dolabratum Seedlings under Drought Stress;

不同叶龄沙芥与斧翅沙芥幼苗抗旱生理研究

Study on the Effects Induced by Photoperiod to Different Leaf Ages before Flowering in Adzuki Bean;

红小豆花前不同叶龄光周期诱导效应研究

Foliar Age Determination of Sound Seedling for Semi-winter Wheat in Huang-huai Plain

黄淮麦区半冬性小麦冬前壮苗叶龄指标的确定

Drought Tolerance Characteristics ofPopulus euphratica Narrowleaf and Broadleaf at Different Ages in Ejina

额济纳绿洲不同树龄胡杨狭叶和阔叶耐旱特征

Comparative study on the growth of different age of Larix kaempferi and Larix principis-rupprechtii

不同林龄日本落叶松与华北落叶松生长的比较

Comparison of Total Flavonoid Content in Leaves of Different Age Stems of Epimedium sagittatum

箭叶淫羊藿不同年龄茎上叶总黄酮含量比较

Having three leaves or leaflike parts, as in the trillium.

三叶的有三片叶子或具三个叶状部分的，如延龄草