光合时间

合理密植，提高开花结荚期的群体光合速率及延长其后群体光合时间将有利于夏大豆产量的进一步提高。

To increase the reasonable plant density and to enhance CAP and prolong the canopy photosynthetic time durins the flowering and pod-setting stage ( R3 ) as well as after the stage are essential to increase yield of summer soybean .

黄瓜叶片光合作用的温度补偿点与光合启动时间

The Temperature Compensation Point and the Start Time of Photosynthesis of Cucumber Leaves

不同夜温对番茄叶片呼吸及光合启动时间的影响

Influence of Different Night Temperature on the Respiration and the Starting Time of Photosynthesis to Tomato Leaves

不同夜温处理后，番茄叶片在特定条件下的光合启动时间在30~60min之间，不同时期有一定差异。

After different night temperature disposed , the starting time of photosynthesis in tomato leaves was 30 ~ 60min under controlled condition ; Differences exist in different periods .

在PEG胁迫下，6种促根处理蒙古栎苗木的净光合速率随时间变化趋势相似，均呈双峰曲线。

The trend of photosynthetic rate under six promoting seedlings root method on Q. mongolica is similar , which is showed a bimodal curve .

6种植物达到90%最大净光合速率的时间为4.4～12.5min，这与所报道的其它热带雨林中一些阴生植物的诱导速率相近。

The time required to reach 90 % of maximum net photosynthetic rate differed among species , and was short ( 4.4 - 12.5 min ) , which was consistent with induction times reported in other tropical shade-tolerant species .

CI-301PS光合测定系统的时间间隔和空气流速参数在甘蔗上的选择

Selection for Time Gap and Air Flow of CI & 301 Photosynthesis System in Sugarcane

早上补光时处理叶片的净光合速率高于晚上相对时间的净光合速率值，早上的光合启动时间大于晚上。

Pn . in the morning was higher than the same time at the night .

光照长度的作用不仅涉及光合时间，而且与光周期本身的机制有关。

The effects were involved in both photosynthetic duration and photoperiodic mechanism .

施氮明显提高马铃薯的生物量、叶面积、光合特性，测量马铃薯光合最佳的时间是上午9：00～11：00，此时段叶片的光合参数变化幅度较小。

Nitrogenous fertilizer increased the biomass , the leaf area , and the photosynthesis characteristic of potato . The best survey time of potato was AM 9 : 00 ~ 11 : 00 due to great change of photosynthesis parameter in else time .

结果表明，增施钾肥可显著提高瓜尔豆叶片中可溶性蛋白、叶绿素含量和净光合速率，并且延长了光合峰值持续时间。

Supplying K significantly increased protein and chlorophyll content , enhanced net photosynthetic rate ( NPR ) of leaf , and extended high photosynthetic duration of guar leaf .

提高了净光合生产率，在后期延长了光合功能时间，增加了光合产物积累，降低了物质消耗。

What 's more , this way improved the net photosynthetic rate , prolonged the later photosynthetic active duration , increased the photosynthetic product accumulation , and reduced the cost of matter .

土壤CO2排放通量和叶片光合的月变化趋势表明：叶片光合速率峰值出现时间滞后于土壤CO2排放通量峰值。

Significant monthly variation of soil CO2 efflux and leaf photosynthesis showed that the maximum leaf photosynthesis rates lagged behind the maximum soil CO2 efflux .

这种反应属于典型的光周期现象，而不是由温度的替代作用、光合时间的改变或前期短日后效应引起的。

The respose was not caused by the effects of temperature , photosynthetic duration or pre - flowering photoperiodic after - effect but was typical photoperiodism .

因此，氮素处理后非保绿型光合性能虽有所增加，但其光合高值持续时间短、光合强度低的本质并无变化。

Therefore , photosynthetic performance of non-stay green type was increased by nitrogenous fertilizer treatment , but the short duration of photosynthetic high-value and low intensity of the photosynthesis were not changed .