Water deficit at jointing stage affected mostly dry matter accumulation.
拔节期水分亏缺对干物质累积量影响最大。
The suitable time of the chemical spraying should be among the standing to jointing stage.
喷施时期宜在小麦起身期和拔节期。
To apply all the N fertilizer in jointing stage gave best results. The combined application of N and K can increase yield by 42.2%, and N only 25.9%.
另外，增产效果与氮肥施用时期有关，在拔节期一次施氮效果最好，氮钾配施增产42 ．2 ％ ，单施氮增产25 ．9 ％ 。
Therefore, the mild water stress can be allowed in the jointing stage of winter wheat, and grain-filling stage should try to avoid any degree of water stress.
因此，冬小麦拔节期允许轻度的水分胁迫，而灌浆期则应尽量避免任何程度的水分胁迫。
At each stage of fertility, with the increase of CO_2 concentration, stomatal conductance decreased, the largest drop in jointing stage, the smallest in tillering stage.
在每一个生育阶段，随着CO_2浓度的升高，气孔导度呈下降趋势，拔节期降幅最大，分蘖期最小。
The activities of soil catalase and invertase increased previously, reached the maximum at the jointing stage, and then decreased during the filling and harvesting stage.
过氧化氢酶和蔗糖酶活性呈现先上升，在灌浆期出现峰值后逐渐下降的变化规律。
The P utilization efficiencies at jointing stage, flag leaf expansion stage and maturity stage had little differences among the variety types with different P efficiencies.
不同磷效率品种拔节期、挑旗期和成熟期的磷利用效率差异较小。
The results showed that the growing stage from reviving to maturity stage of winter wheat became earlier and the postponed tendency of the jointing stage was the most obvious.
结果表明：河南省冬小麦自返青到成熟的各生育期均表现出提前的趋势，其中以拔节期提前最明显；
It was found that there are close relationship between meteorological yield and precipitation anomaly in whole growing season and in jointing stage, especially in the first period.
结果发现，气象产量与冬小麦全生育期和拔节期的降水距平有着十分密切的关系，尤其是前者。
Two high concentration of CO_2 processing and background showed the biggest transpiration rate in heading stage, followed by jointing stage, tillering stage relatively small trend.
两种高CO_2处理和背景浓度均呈现出抽穗期蒸腾速率最大，拔节期次之，分蘖期相对较小的趋势。
Also, the results from research on the limited irrigation water in different and developing stages indicated that the best period of limited water supply should be the jointing stage.
对不同生育期有限灌水的研究结果表明，拔节期是春小麦有限供水的最佳时期。
The drought stress from jointing to heading stage decreased nitrogen nutrition efficiency of winter wheat significantly.
拔节至抽穗期干旱胁迫极显著地降低冬小麦的氮素营养效率。
Growth rate reach peak from heading stage to ripe period for above-ground biomass, from tillering period to (jointing) stage for under-ground biomass.
地上生物量增长最快在抽穗到成熟期，地下生物量增长最快在分蘖期到拔节期。
The accumulation of dry material increased with the increasing of ATNF during jointing and heading stage, furthermore Indica were higher than Japonica.
干物质积累量，拔节期、抽穗期所有供试品种均随施氮量的增加而增加，籼型品种积累量高于粳型品种；
In the late of jointing and booting stage rice has highest dry matter productivity.
水稻在拔节孕穗后期干物质生产速率最大。
The amount of fixed N during jointing—maturing stage was over 70% of whole rice growth stage.
拔节期—成熟期的固氮量占整个生育期固氮量的70％以上；
Effects of water stress on growth and yield of rice were studied in jointing-booting stage.
试验研究了拔节孕穗期水分胁迫对水稻生长发育及产量的影响。
The stage from jointing to booting is long and the differentiation of young ear is abundant.
拔节孕穗期长，幼穗分化充分，有利于壮秆大穗的形成。
The pot experiment was conducted to study the effects of water stress on photosynthetic and physiological characteristics of rice in early jointing-booting stage.
采用盆栽试验研究了水稻拔节孕穗期水分胁迫复水后的光合特性和生理活性。
The pot experiment was conducted to study the effects of drought stress and waterlogging stress on photosynthetic and physiological characteristics of rice in jointing-booting stage.
采用测筒试验研究了水稻拔节孕穗期旱涝急转前后的光合特性和生理活性。
The results showed that drought stress reduced leaf area, plant height and the yield of corn in jointing to tasseling stage;
结果表明，拔节至抽穗期缺水抑制叶面积的扩展，造成植株矮小，产量降低；
The drought stress from jointing to heading stage decreased nitrogen nutrition efficiency of w…
拔节至抽穗期干旱胁迫极显著地降低冬小麦的氮素营养效率。
Supplemental irrigation at over-wintering, jointing or filling stage significantly increased the nitrogen uptake by plant and decreased the nitrogen residual 47.
通过温室培养试验，研究了不同生长期缺水和补充灌水对冬小麦氮素吸收利用和土壤残留的影响。
Supplemental irrigation at over-wintering, jointing or filling stage significantly increased the nitrogen uptake by plant and decreased the nitrogen residual 47.
通过温室培养试验，研究了不同生长期缺水和补充灌水对冬小麦氮素吸收利用和土壤残留的影响。
应用推荐