The suitable time of the chemical spraying should be among the standing to jointing stage.
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2. 庄稼拔节之声，只有童心才能听到。
The sound of crops' jointing could only be heard by a child's heart.
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3. 若虫以取食拔节期稻株存活率最高。
The survival rate of nymphs feeding on rice plant at elongation stage was the highest.
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4. 在玉米杆开始拔节时，给玉米打药。
Corn is treated when the stalk starts to elongate.
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5. 谁都可以听到那些拔节的声响和呼吸。
Anyone can hear the sound of those jointing and breathing.
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6. 拔节期水分亏缺对干物质累积量影响最大。
Water deficit at jointing stage affected mostly dry matter accumulation.
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7. 幼穗分化与拔节基本同步。
The elongation and the ear initiation occur basically simultaneous.
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8. 水稻在拔节孕穗后期干物质生产速率最大。
In the late of jointing and booting stage rice has highest dry matter productivity.
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9. 就早稻而言，稻穗分化期和拔节期几乎同时进行。
For early rice, young panicle formation stage and elongation stage often overlapped.
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10. 拔节期是不同类型专用小麦最佳氮肥高产施用期。
Nitrogen topdressed at elongation for different wheat could result in the highest yield.
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11. 拔节抽雄期夏玉米耗水量与玉米叶面积系数呈正相关；
Summer maize water consumption varied exponentially with maize leaf area index at the filling stage.
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12. 拔节孕穗期长，幼穗分化充分，有利于壮秆大穗的形成。
The stage from jointing to booting is long and the differentiation of young ear is abundant.
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13. 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。
The drought stress from jointing to heading stage decreased nitrogen nutrition efficiency of winter wheat significantly.
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14. 拔节期—成熟期的固氮量占整个生育期固氮量的70％以上；
The amount of fixed N during jointing—maturing stage was over 70% of whole rice growth stage.
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15. 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。
Effects of water stress on growth and yield of rice were studied in jointing-booting stage.
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16. 拔节期和大喇叭口期分两次追施和大喇叭口期一次施入产量相近。
The yield of two times of the fertilizer application at bell stage was similar to that of one time.
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17. 给出了影响拉拔力和正压力基本因素和辊模拉拔节能降耗的原因。
Elementary reason affecting the drawing force and direct pressure force is given, the reasons of energy saving and cost reduction with the roller dies drawing is revealed.
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18. 他们从小生长在故乡的青山绿水中，纯洁的灵魂在田野里抽穗拔节。
They grew up in the mountains home, the purity of the soul in the fields heading jointing.
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19. 她轻浅笑着跑开，心底也有一片类似的花海，在迅速的拔节、生长着。
She ran away with a smile Qing Qian, heart also has a similar display is, in the rapid elongation, the growth of the.
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20. 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 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.
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21. 用P - V技术研究了冬小麦苗期、拔节期和孕穗期功能叶膨压维持方式。
P-V technique was used to test the mode of turgor maintenance of wheat leaf at seedling, jointing and earing stages.
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22. 在此条件下，分别在玉米苗期、拔节期、灌浆期采集叶片清洗后超低温保存。
In this condition, gathering cleaning leave at across seedling, elongation, filling stage. s and preserved in low temperature.
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23. 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 water stress on photosynthetic and physiological characteristics of rice in early jointing-booting stage.
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24. 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。
Growth rate reach peak from heading stage to ripe period for above-ground biomass, from tillering period to (jointing) stage for under-ground biomass.
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25. 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。
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.
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26. 在加强了钢铁及收紧拔节，在每一个部分，驾驶室具有优异的气密性和安全性能。
With strengthened steelwork and tighten jointing in each part, the cab has superior airproof and security performance.
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27. 拔节—抽雄期是低温冷害影响冬玉米产量的关键期，另一个次关键期为抽雄—开花时段。
Jointingheading was the most critical stage in which cold damage affected the yield of winter sowing maize.
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28. 拔节—抽雄期是低温冷害影响冬玉米产量的关键期，另一个次关键期为抽雄—开花时段。
Jointingheading was the most critical stage in which cold damage affected the yield of winter sowing maize.
