1)  cultivation technique
叶龄诊断
1.
The growth progress of rice can be mastered according to the study on cultivation technique by leaves age diagnose for rice.
通过对水稻叶龄诊断栽培技术的研究及应用,表明该项技术可以准确掌握水稻的生育进程动态,及时采取调控措施,大幅度提高水稻的产量,有效改善水稻品质,在水稻生产上具有广阔的应用前景。
2)  leaf age diagnose technique
叶龄诊断技术
1.
Leaf age diagnose technique is a new rice cultivation technique developed on the theory of organ development in pace with organ elongation and the theory of leaf age model, which is the cultivation technique system of leaf age diagnose, forecast, adjustment and control.
水稻叶龄诊断技术是在水稻“器官同伸理论”与“叶龄模式理论”的基础上发展起来的水稻栽培新技术，是按叶龄诊断、预测、调控的栽培技术体系。
3)  leaf age diagnosis fertilizering method
叶龄诊断施肥法
4)  leaf stage
叶龄
1.
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。
2.
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。
5)  leaf age
叶龄
1.
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
2.
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
3.
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
6)  Leaf ages
叶龄
1.
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
2.
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
3.
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。
参考词条
补充资料：叶分析诊断
分子式：
CAS号：

性质：根据植物叶片中营养元素的含量判断植物体内营养元素的丰缺程度的手段。这种诊断主要用于果树营养诊断。通常是在一定的生育期采集植物某个部位的叶片，采用化学分析方法对植物体内某些营养元素含量进行测定。将测定结果与标准值相比较，即可判断其营养状况。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。