农作物品种产量试验中边际效应是普遍存在的。
通过大田产量试验验证，本筛选方法的可靠性可达76.9%。
The field test showed that the reliability of this method could reach 76.9%.
尽管如此，过去15年Broadbalk试验田最高产的小麦产量却开始稳定下来，甚或下滑，令人忧心忡忡。
Worryingly, though, in the past 15 years the yields of the most productive varieties of wheat in Broadbalk have begun to level out or even fall.
在试验田里，作物通常只需要不到一半的氮就可以达到同样的产量—或者在施同样多氮肥的情况下，产量提高25%。
In experimental plots the plants often need less than half as much nitrogen to achieve the same yield-or get 25% more yield for the same nitrogen.
可另一方面，国际玉米和小麦改良中心在墨西哥奥布雷贡的小麦育种站做的试验表明，小麦产量的年增长率可能降至0.4%。
On the other hand, trials at CIMMYT's principal wheat-breeding station at Obregon in Mexico indicate a slowdown in potential yield growth to only 0.4% a year.
经试验，新品种在正常情况下产量跟原品种相同，在持续的洪涝情况下却有两倍以上的产量。
In trials, the new plant produced as much rice as the original under normal conditions, but over twice as much after prolonged flooding.
在一个更现实的试验中，人为地在作物的逆风处喷洒二氧化碳，结果产量增加很低。
More realistic experiments using carefully contrived sprays of CO2 upwind of crops show a much lower bonus.
试验结果表明，烟尘对大白菜的生物学性状、生理功能、产量与品质均有不同程度的影响。
The simulate test showed that Chinese cabbage changed in biology character, physiological function, output and quality by the influence of soot of different quantity.
OLED的产量因此将获得极大提升，而且目前已有多项基于该技术的OLED商用制造试验正在进行中。
The yield improvements have been enormous and have enabled some trial runs to produce commercial yields.
试验研究了开花前不同光照处理对大豆开花后的发育、产量形成和品质性状的影响。
The effects of pre- flowering photoperiodic treatments on the post-flowering-development, yield formation and chemical quality of soybeans were studied.
但更广泛的试验证明，这种树无论是生长和将来的产量，都损失较。
Rather wide experience has shown, however, that there is little damage to the trees or future crops.
本文是根据试验结果对各模拟温阶的产物的产量及组份特征和变化规律进行了系统的分析和研究。
The product yields at various temperature gradients of simulation, and the characteristics of gas and liquid components, and their changing patterns were systematically analysed and studied.
协助产量测试经理进行山东、河北育种试验点的设置、管理、性状调查和数据汇总。
Assist Testing Manager on yield trial location deployment and management in Shandong and Hebeiprovince, and take charge of trait investigation and data summarization.
采用田间试验研究磷肥用量对高油玉米和普通玉米吸磷特性及品质产量的影响。
A field trial was carried out to investigate phosphorous (p) absorption, quality and yield between high oil maize and common maize.
通过田间试验研究了返青期不同程度根修剪处理对冬小麦群体结构、土壤水分及产量形成的影响。
A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.
耐寒乌塌菜试管苗的田间栽培试验还证明，这种试管苗生长旺盛，根系发达，产量可提高10%。
Field planting showed that the tube spout grew well with roots flourishing and the yield increased by 10%.
采用田间试验研究氮肥用量对高淀粉玉米和普通玉米吸氮特性及子粒品质产量的影响。
Field experiment was carried out to investigated nitrogen absorption, quality and yield between high-starch and common com as affected by nitrogen application.
在非洲进行的抗虫害棉花试验中，棉花的产量已大幅度提高。
In trials of pest-resistant cotton in Africa, yields have increased significantly.
通过产量、生长特性、抗逆性等试验，选择出若干个适合低丘红壤新开地种植的牧草品种。
By test of yield, growth character and resistance, some herbage varieties suited for low hill red new reclamation land were selected out.
通过田间试验研究了不同形态氮肥对大白菜产量及硝酸盐累积的影响。
Field experiment was conducted for studying the effect of nitrogen forms on the yield of Chinese cabbage and the accumulation of nitrate.
采用正交试验设计，研究萝卜不同品种、密度、播期对产量的影响。
Influence of variety, density and sowing time on radish yield was studied utilizing orthogonal test.
方法：试验采用单因素随机区组设计，定株定期进行调查测定，收获后测各器官干重、产量和主要有效成分含量。
Method: Single factor randomized block design was applied, plant samples were collected and investigated periodically, and dry weight, production and the main active ingredient content were measured.
采用田间小区试验研究了不同肥料组合对莴笋产量、品质和叶片养分形态的影响。
A field experiment was conducted to study effects of fertilizer combination on yield, quality and forms of nutrients in leaf of lettuce.
通过马铃薯田间小区试验，研究新型专用配方肥对马铃薯产量和品质的影响。
A field experiment was conducted to study the effect of new potato specific fertilizer on the yield and quality of potato.
本文阐述了双氧水冷轧堆复漂原理，经一系列试验和一定产量的生产表明，双氧水冷轧堆复漂工艺是可行的。
The authors describe the principle of hydroperoxide cold pad-batch re-bleaching process which has been shown feasible for production based on laboratory experiment and trial production.
试验早稻最高产量为5874 。 8公斤/公顷，比平常年份普通产量要低。
The highest early rice yield in this experiment was 5874 . 8kg / ha and lower than the general yield in common years.
通过盆栽试验研究了不同缓释肥(SR)用量对莴笋产量和品质的效应。
In a pot experiment, the effect of slow release fertilizer (SR) rates on quality and yield of lettuce was studied.
通过盆栽试验研究了不同缓释肥(SR)用量对莴笋产量和品质的效应。
In a pot experiment, the effect of slow release fertilizer (SR) rates on quality and yield of lettuce was studied.
应用推荐